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Finding the Fourth Proportional to 476,470.91, 714,554.80 and 156,549.04

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Solution

The fourth proportional to 476,470.91, 714,554.80 and 156,549.04 is: 234,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,470.91 : 714,554.80 = 156,549.04 : x
  2. Step 2: Convert to fraction form
    476,470.91/714,554.80 = 156,549.04/x
  3. Step 3: Cross multiply
    476,470.91x = 714,554.80 × 156,549.04
  4. Step 4: Simplify right side
    476,470.91x = 111,862,867,967.39
  5. Step 5: Solve for x
    x = 111,862,867,967.39/476,470.91
  6. Step 6: Final answer
    x = 234,773.76

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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.