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Finding the Fourth Proportional to 710,524.90, 981,179.18 and 456,318.96

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Solution

The fourth proportional to 710,524.90, 981,179.18 and 456,318.96 is: 630,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,524.90 : 981,179.18 = 456,318.96 : x
  2. Step 2: Convert to fraction form
    710,524.90/981,179.18 = 456,318.96/x
  3. Step 3: Cross multiply
    710,524.90x = 981,179.18 × 456,318.96
  4. Step 4: Simplify right side
    710,524.90x = 447,730,662,991.25
  5. Step 5: Solve for x
    x = 447,730,662,991.25/710,524.90
  6. Step 6: Final answer
    x = 630,140.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.