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Finding the Fourth Proportional to 238,248.38, 328,782.77 and 137,646.38

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Solution

The fourth proportional to 238,248.38, 328,782.77 and 137,646.38 is: 189,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,248.38 : 328,782.77 = 137,646.38 : x
  2. Step 2: Convert to fraction form
    238,248.38/328,782.77 = 137,646.38/x
  3. Step 3: Cross multiply
    238,248.38x = 328,782.77 × 137,646.38
  4. Step 4: Simplify right side
    238,248.38x = 45,255,755,764.73
  5. Step 5: Solve for x
    x = 45,255,755,764.73/238,248.38
  6. Step 6: Final answer
    x = 189,952.00

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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.