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Finding the Fourth Proportional to 342,463.68, 472,600.45 and 189,508.32

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Solution

The fourth proportional to 342,463.68, 472,600.45 and 189,508.32 is: 261,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,463.68 : 472,600.45 = 189,508.32 : x
  2. Step 2: Convert to fraction form
    342,463.68/472,600.45 = 189,508.32/x
  3. Step 3: Cross multiply
    342,463.68x = 472,600.45 × 189,508.32
  4. Step 4: Simplify right side
    342,463.68x = 89,561,717,310.74
  5. Step 5: Solve for x
    x = 89,561,717,310.74/342,463.68
  6. Step 6: Final answer
    x = 261,521.80

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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.