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Finding the Fourth Proportional to 441,763.80, 662,645.70 and 231,374.40

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Solution

The fourth proportional to 441,763.80, 662,645.70 and 231,374.40 is: 347,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,763.80 : 662,645.70 = 231,374.40 : x
  2. Step 2: Convert to fraction form
    441,763.80/662,645.70 = 231,374.40/x
  3. Step 3: Cross multiply
    441,763.80x = 662,645.70 × 231,374.40
  4. Step 4: Simplify right side
    441,763.80x = 153,319,251,250.08
  5. Step 5: Solve for x
    x = 153,319,251,250.08/441,763.80
  6. Step 6: Final answer
    x = 347,061.60

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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.