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Finding the Fourth Proportional to 439,248.56, 606,162.92 and 238,044.56

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Solution

The fourth proportional to 439,248.56, 606,162.92 and 238,044.56 is: 328,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,248.56 : 606,162.92 = 238,044.56 : x
  2. Step 2: Convert to fraction form
    439,248.56/606,162.92 = 238,044.56/x
  3. Step 3: Cross multiply
    439,248.56x = 606,162.92 × 238,044.56
  4. Step 4: Simplify right side
    439,248.56x = 144,293,785,579.72
  5. Step 5: Solve for x
    x = 144,293,785,579.72/439,248.56
  6. Step 6: Final answer
    x = 328,501.44

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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.