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Finding the Fourth Proportional to 559,527.80, 839,291.70 and 483,420.20

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Solution

The fourth proportional to 559,527.80, 839,291.70 and 483,420.20 is: 725,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,527.80 : 839,291.70 = 483,420.20 : x
  2. Step 2: Convert to fraction form
    559,527.80/839,291.70 = 483,420.20/x
  3. Step 3: Cross multiply
    559,527.80x = 839,291.70 × 483,420.20
  4. Step 4: Simplify right side
    559,527.80x = 405,730,561,472.34
  5. Step 5: Solve for x
    x = 405,730,561,472.34/559,527.80
  6. Step 6: Final answer
    x = 725,130.30

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Double scale
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Similar ratio
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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.