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Finding the Fourth Proportional to 552,240.72, 762,348.96 and 416,329.92

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Solution

The fourth proportional to 552,240.72, 762,348.96 and 416,329.92 is: 574,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,240.72 : 762,348.96 = 416,329.92 : x
  2. Step 2: Convert to fraction form
    552,240.72/762,348.96 = 416,329.92/x
  3. Step 3: Cross multiply
    552,240.72x = 762,348.96 × 416,329.92
  4. Step 4: Simplify right side
    552,240.72x = 317,388,681,528.88
  5. Step 5: Solve for x
    x = 317,388,681,528.88/552,240.72
  6. Step 6: Final answer
    x = 574,728.86

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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.