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Finding the Fourth Proportional to 539,002.74, 808,515.04 and 361,855.74

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Solution

The fourth proportional to 539,002.74, 808,515.04 and 361,855.74 is: 542,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,002.74 : 808,515.04 = 361,855.74 : x
  2. Step 2: Convert to fraction form
    539,002.74/808,515.04 = 361,855.74/x
  3. Step 3: Cross multiply
    539,002.74x = 808,515.04 × 361,855.74
  4. Step 4: Simplify right side
    539,002.74x = 292,565,808,100.33
  5. Step 5: Solve for x
    x = 292,565,808,100.33/539,002.74
  6. Step 6: Final answer
    x = 542,790.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.