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Finding the Fourth Proportional to 670,032.92, 924,710.46 and 383,593.88

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Solution

The fourth proportional to 670,032.92, 924,710.46 and 383,593.88 is: 529,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,032.92 : 924,710.46 = 383,593.88 : x
  2. Step 2: Convert to fraction form
    670,032.92/924,710.46 = 383,593.88/x
  3. Step 3: Cross multiply
    670,032.92x = 924,710.46 × 383,593.88
  4. Step 4: Simplify right side
    670,032.92x = 354,713,273,227.99
  5. Step 5: Solve for x
    x = 354,713,273,227.99/670,032.92
  6. Step 6: Final answer
    x = 529,396.78

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1.5x scale

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.