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Finding the Fourth Proportional to 342,309.11, 513,585.29 and 152,752.23

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Solution

The fourth proportional to 342,309.11, 513,585.29 and 152,752.23 is: 229,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,309.11 : 513,585.29 = 152,752.23 : x
  2. Step 2: Convert to fraction form
    342,309.11/513,585.29 = 152,752.23/x
  3. Step 3: Cross multiply
    342,309.11x = 513,585.29 × 152,752.23
  4. Step 4: Simplify right side
    342,309.11x = 78,451,298,724.58
  5. Step 5: Solve for x
    x = 78,451,298,724.58/342,309.11
  6. Step 6: Final answer
    x = 229,182.62

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1.5x scale

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.