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Finding the Fourth Proportional to 593,837.60, 890,756.40 and 220,006.40

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Solution

The fourth proportional to 593,837.60, 890,756.40 and 220,006.40 is: 330,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,837.60 : 890,756.40 = 220,006.40 : x
  2. Step 2: Convert to fraction form
    593,837.60/890,756.40 = 220,006.40/x
  3. Step 3: Cross multiply
    593,837.60x = 890,756.40 × 220,006.40
  4. Step 4: Simplify right side
    593,837.60x = 195,972,108,840.96
  5. Step 5: Solve for x
    x = 195,972,108,840.96/593,837.60
  6. Step 6: Final answer
    x = 330,009.60

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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.