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Finding the Fourth Proportional to 487,089.11, 730,706.34 and 150,101.57

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Solution

The fourth proportional to 487,089.11, 730,706.34 and 150,101.57 is: 225,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,089.11 : 730,706.34 = 150,101.57 : x
  2. Step 2: Convert to fraction form
    487,089.11/730,706.34 = 150,101.57/x
  3. Step 3: Cross multiply
    487,089.11x = 730,706.34 × 150,101.57
  4. Step 4: Simplify right side
    487,089.11x = 109,680,168,842.95
  5. Step 5: Solve for x
    x = 109,680,168,842.95/487,089.11
  6. Step 6: Final answer
    x = 225,174.75

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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.