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Finding the Fourth Proportional to 552,185.13, 762,006.30 and 307,166.96

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Solution

The fourth proportional to 552,185.13, 762,006.30 and 307,166.96 is: 423,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,185.13 : 762,006.30 = 307,166.96 : x
  2. Step 2: Convert to fraction form
    552,185.13/762,006.30 = 307,166.96/x
  3. Step 3: Cross multiply
    552,185.13x = 762,006.30 × 307,166.96
  4. Step 4: Simplify right side
    552,185.13x = 234,063,156,688.15
  5. Step 5: Solve for x
    x = 234,063,156,688.15/552,185.13
  6. Step 6: Final answer
    x = 423,885.29

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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.