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Finding the Fourth Proportional to 606,417.60, 908,314.20 and 539,932.80

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Solution

The fourth proportional to 606,417.60, 908,314.20 and 539,932.80 is: 808,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,417.60 : 908,314.20 = 539,932.80 : x
  2. Step 2: Convert to fraction form
    606,417.60/908,314.20 = 539,932.80/x
  3. Step 3: Cross multiply
    606,417.60x = 908,314.20 × 539,932.80
  4. Step 4: Simplify right side
    606,417.60x = 490,428,629,285.76
  5. Step 5: Solve for x
    x = 490,428,629,285.76/606,417.60
  6. Step 6: Final answer
    x = 808,730.86

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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.