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Finding the Fourth Proportional to 508,795.47, 762,480.39 and 382,354.89

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Solution

The fourth proportional to 508,795.47, 762,480.39 and 382,354.89 is: 572,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,795.47 : 762,480.39 = 382,354.89 : x
  2. Step 2: Convert to fraction form
    508,795.47/762,480.39 = 382,354.89/x
  3. Step 3: Cross multiply
    508,795.47x = 762,480.39 × 382,354.89
  4. Step 4: Simplify right side
    508,795.47x = 291,538,105,645.61
  5. Step 5: Solve for x
    x = 291,538,105,645.61/508,795.47
  6. Step 6: Final answer
    x = 572,996.66

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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.