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Finding the Fourth Proportional to 439,818.88, 606,947.52 and 238,610.56

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Solution

The fourth proportional to 439,818.88, 606,947.52 and 238,610.56 is: 329,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,818.88 : 606,947.52 = 238,610.56 : x
  2. Step 2: Convert to fraction form
    439,818.88/606,947.52 = 238,610.56/x
  3. Step 3: Cross multiply
    439,818.88x = 606,947.52 × 238,610.56
  4. Step 4: Simplify right side
    439,818.88x = 144,824,087,637.81
  5. Step 5: Solve for x
    x = 144,824,087,637.81/439,818.88
  6. Step 6: Final answer
    x = 329,281.20

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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.