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Finding the Fourth Proportional to 534,215.71, 737,217.55 and 292,498.22

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Solution

The fourth proportional to 534,215.71, 737,217.55 and 292,498.22 is: 403,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,215.71 : 737,217.55 = 292,498.22 : x
  2. Step 2: Convert to fraction form
    534,215.71/737,217.55 = 292,498.22/x
  3. Step 3: Cross multiply
    534,215.71x = 737,217.55 × 292,498.22
  4. Step 4: Simplify right side
    534,215.71x = 215,634,819,665.27
  5. Step 5: Solve for x
    x = 215,634,819,665.27/534,215.71
  6. Step 6: Final answer
    x = 403,647.47

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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.