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Finding the Fourth Proportional to 539,704.88, 745,454.04 and 404,344.16

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Solution

The fourth proportional to 539,704.88, 745,454.04 and 404,344.16 is: 558,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,704.88 : 745,454.04 = 404,344.16 : x
  2. Step 2: Convert to fraction form
    539,704.88/745,454.04 = 404,344.16/x
  3. Step 3: Cross multiply
    539,704.88x = 745,454.04 × 404,344.16
  4. Step 4: Simplify right side
    539,704.88x = 301,419,987,622.41
  5. Step 5: Solve for x
    x = 301,419,987,622.41/539,704.88
  6. Step 6: Final answer
    x = 558,490.39

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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.