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Finding the Fourth Proportional to 614,359.38, 847,713.24 and 342,367.68

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Solution

The fourth proportional to 614,359.38, 847,713.24 and 342,367.68 is: 472,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,359.38 : 847,713.24 = 342,367.68 : x
  2. Step 2: Convert to fraction form
    614,359.38/847,713.24 = 342,367.68/x
  3. Step 3: Cross multiply
    614,359.38x = 847,713.24 × 342,367.68
  4. Step 4: Simplify right side
    614,359.38x = 290,229,615,284.08
  5. Step 5: Solve for x
    x = 290,229,615,284.08/614,359.38
  6. Step 6: Final answer
    x = 472,410.16

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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.