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Finding the Fourth Proportional to 659,833.24, 994,694.39 and 615,890.74

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Solution

The fourth proportional to 659,833.24, 994,694.39 and 615,890.74 is: 928,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,833.24 : 994,694.39 = 615,890.74 : x
  2. Step 2: Convert to fraction form
    659,833.24/994,694.39 = 615,890.74/x
  3. Step 3: Cross multiply
    659,833.24x = 994,694.39 × 615,890.74
  4. Step 4: Simplify right side
    659,833.24x = 612,623,063,930.95
  5. Step 5: Solve for x
    x = 612,623,063,930.95/659,833.24
  6. Step 6: Final answer
    x = 928,451.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.