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Finding the Fourth Proportional to 472,565.46, 708,751.50 and 135,515.82

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Solution

The fourth proportional to 472,565.46, 708,751.50 and 135,515.82 is: 203,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,565.46 : 708,751.50 = 135,515.82 : x
  2. Step 2: Convert to fraction form
    472,565.46/708,751.50 = 135,515.82/x
  3. Step 3: Cross multiply
    472,565.46x = 708,751.50 × 135,515.82
  4. Step 4: Simplify right side
    472,565.46x = 96,047,040,698.73
  5. Step 5: Solve for x
    x = 96,047,040,698.73/472,565.46
  6. Step 6: Final answer
    x = 203,246.00

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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.