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Finding the Fourth Proportional to 504,061,569.20, 756,092,353.80 and 383,129,217.20

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Solution

The fourth proportional to 504,061,569.20, 756,092,353.80 and 383,129,217.20 is: 574,693,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,061,569.20 : 756,092,353.80 = 383,129,217.20 : x
  2. Step 2: Convert to fraction form
    504,061,569.20/756,092,353.80 = 383,129,217.20/x
  3. Step 3: Cross multiply
    504,061,569.20x = 756,092,353.80 × 383,129,217.20
  4. Step 4: Simplify right side
    504,061,569.20x = 289,681,071,642,299,392
  5. Step 5: Solve for x
    x = 289,681,071,642,299,392/504,061,569.20
  6. Step 6: Final answer
    x = 574,693,825.80

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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.