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Finding the Fourth Proportional to 295,470.40, 442,687.20 and 242,593.60

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Solution

The fourth proportional to 295,470.40, 442,687.20 and 242,593.60 is: 363,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,470.40 : 442,687.20 = 242,593.60 : x
  2. Step 2: Convert to fraction form
    295,470.40/442,687.20 = 242,593.60/x
  3. Step 3: Cross multiply
    295,470.40x = 442,687.20 × 242,593.60
  4. Step 4: Simplify right side
    295,470.40x = 107,393,081,521.92
  5. Step 5: Solve for x
    x = 107,393,081,521.92/295,470.40
  6. Step 6: Final answer
    x = 363,464.77

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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.