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Finding the Fourth Proportional to 434,761.20, 652,109.40 and 181,976.40

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Solution

The fourth proportional to 434,761.20, 652,109.40 and 181,976.40 is: 272,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,761.20 : 652,109.40 = 181,976.40 : x
  2. Step 2: Convert to fraction form
    434,761.20/652,109.40 = 181,976.40/x
  3. Step 3: Cross multiply
    434,761.20x = 652,109.40 × 181,976.40
  4. Step 4: Simplify right side
    434,761.20x = 118,668,521,018.16
  5. Step 5: Solve for x
    x = 118,668,521,018.16/434,761.20
  6. Step 6: Final answer
    x = 272,951.04

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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.