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Finding the Fourth Proportional to 560,624.50, 773,683.14 and 318,929.14

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Solution

The fourth proportional to 560,624.50, 773,683.14 and 318,929.14 is: 440,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,624.50 : 773,683.14 = 318,929.14 : x
  2. Step 2: Convert to fraction form
    560,624.50/773,683.14 = 318,929.14/x
  3. Step 3: Cross multiply
    560,624.50x = 773,683.14 × 318,929.14
  4. Step 4: Simplify right side
    560,624.50x = 246,750,098,472.70
  5. Step 5: Solve for x
    x = 246,750,098,472.70/560,624.50
  6. Step 6: Final answer
    x = 440,134.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.