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Finding the Fourth Proportional to 516,494.17, 712,867.33 and 353,601.15

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Solution

The fourth proportional to 516,494.17, 712,867.33 and 353,601.15 is: 488,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,494.17 : 712,867.33 = 353,601.15 : x
  2. Step 2: Convert to fraction form
    516,494.17/712,867.33 = 353,601.15/x
  3. Step 3: Cross multiply
    516,494.17x = 712,867.33 × 353,601.15
  4. Step 4: Simplify right side
    516,494.17x = 252,070,705,454.18
  5. Step 5: Solve for x
    x = 252,070,705,454.18/516,494.17
  6. Step 6: Final answer
    x = 488,041.72

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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.