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Finding the Fourth Proportional to 476,490.77, 714,823.87 and 156,660.70

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Solution

The fourth proportional to 476,490.77, 714,823.87 and 156,660.70 is: 235,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,490.77 : 714,823.87 = 156,660.70 : x
  2. Step 2: Convert to fraction form
    476,490.77/714,823.87 = 156,660.70/x
  3. Step 3: Cross multiply
    476,490.77x = 714,823.87 × 156,660.70
  4. Step 4: Simplify right side
    476,490.77x = 111,984,807,067.61
  5. Step 5: Solve for x
    x = 111,984,807,067.61/476,490.77
  6. Step 6: Final answer
    x = 235,019.89

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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.