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Finding the Fourth Proportional to 335,470.60, 462,948.78 and 192,230.20

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Solution

The fourth proportional to 335,470.60, 462,948.78 and 192,230.20 is: 265,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,470.60 : 462,948.78 = 192,230.20 : x
  2. Step 2: Convert to fraction form
    335,470.60/462,948.78 = 192,230.20/x
  3. Step 3: Cross multiply
    335,470.60x = 462,948.78 × 192,230.20
  4. Step 4: Simplify right side
    335,470.60x = 88,992,736,569.16
  5. Step 5: Solve for x
    x = 88,992,736,569.16/335,470.60
  6. Step 6: Final answer
    x = 265,277.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.