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Finding the Fourth Proportional to 552,776.38, 763,247.12 and 543,948.39

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Solution

The fourth proportional to 552,776.38, 763,247.12 and 543,948.39 is: 751,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,776.38 : 763,247.12 = 543,948.39 : x
  2. Step 2: Convert to fraction form
    552,776.38/763,247.12 = 543,948.39/x
  3. Step 3: Cross multiply
    552,776.38x = 763,247.12 × 543,948.39
  4. Step 4: Simplify right side
    552,776.38x = 415,167,039,376.40
  5. Step 5: Solve for x
    x = 415,167,039,376.40/552,776.38
  6. Step 6: Final answer
    x = 751,057.85

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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.