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Finding the Fourth Proportional to 342,460.64, 472,563.52 and 231,854.30

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Solution

The fourth proportional to 342,460.64, 472,563.52 and 231,854.30 is: 319,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,460.64 : 472,563.52 = 231,854.30 : x
  2. Step 2: Convert to fraction form
    342,460.64/472,563.52 = 231,854.30/x
  3. Step 3: Cross multiply
    342,460.64x = 472,563.52 × 231,854.30
  4. Step 4: Simplify right side
    342,460.64x = 109,565,882,964.80
  5. Step 5: Solve for x
    x = 109,565,882,964.80/342,460.64
  6. Step 6: Final answer
    x = 319,937.15

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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.