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Finding the Fourth Proportional to 586,671.38, 878,518.52 and 491,651.69

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Solution

The fourth proportional to 586,671.38, 878,518.52 and 491,651.69 is: 736,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,671.38 : 878,518.52 = 491,651.69 : x
  2. Step 2: Convert to fraction form
    586,671.38/878,518.52 = 491,651.69/x
  3. Step 3: Cross multiply
    586,671.38x = 878,518.52 × 491,651.69
  4. Step 4: Simplify right side
    586,671.38x = 431,925,115,054.30
  5. Step 5: Solve for x
    x = 431,925,115,054.30/586,671.38
  6. Step 6: Final answer
    x = 736,230.08

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1.5x scale

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.