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Finding the Fourth Proportional to 593,350.80, 890,026.20 and 433,942.80

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Solution

The fourth proportional to 593,350.80, 890,026.20 and 433,942.80 is: 650,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,350.80 : 890,026.20 = 433,942.80 : x
  2. Step 2: Convert to fraction form
    593,350.80/890,026.20 = 433,942.80/x
  3. Step 3: Cross multiply
    593,350.80x = 890,026.20 × 433,942.80
  4. Step 4: Simplify right side
    593,350.80x = 386,220,461,301.36
  5. Step 5: Solve for x
    x = 386,220,461,301.36/593,350.80
  6. Step 6: Final answer
    x = 650,914.20

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Half scale
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Double scale
Find fourth proportional to 593,351.80, 890,027.70 and 433,943.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.