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Finding the Fourth Proportional to 703,780.80, 1,055,902.88 and 468,050.88

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Solution

The fourth proportional to 703,780.80, 1,055,902.88 and 468,050.88 is: 702,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,780.80 : 1,055,902.88 = 468,050.88 : x
  2. Step 2: Convert to fraction form
    703,780.80/1,055,902.88 = 468,050.88/x
  3. Step 3: Cross multiply
    703,780.80x = 1,055,902.88 × 468,050.88
  4. Step 4: Simplify right side
    703,780.80x = 494,216,272,178.53
  5. Step 5: Solve for x
    x = 494,216,272,178.53/703,780.80
  6. Step 6: Final answer
    x = 702,230.40

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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.