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Finding the Fourth Proportional to 473,710.36, 710,565.56 and 132,140.40

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Solution

The fourth proportional to 473,710.36, 710,565.56 and 132,140.40 is: 198,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,710.36 : 710,565.56 = 132,140.40 : x
  2. Step 2: Convert to fraction form
    473,710.36/710,565.56 = 132,140.40/x
  3. Step 3: Cross multiply
    473,710.36x = 710,565.56 × 132,140.40
  4. Step 4: Simplify right side
    473,710.36x = 93,894,417,324.62
  5. Step 5: Solve for x
    x = 93,894,417,324.62/473,710.36
  6. Step 6: Final answer
    x = 198,210.61

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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.