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Finding the Fourth Proportional to 338,738.63, 508,304.72 and 151,750.13

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Solution

The fourth proportional to 338,738.63, 508,304.72 and 151,750.13 is: 227,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,738.63 : 508,304.72 = 151,750.13 : x
  2. Step 2: Convert to fraction form
    338,738.63/508,304.72 = 151,750.13/x
  3. Step 3: Cross multiply
    338,738.63x = 508,304.72 × 151,750.13
  4. Step 4: Simplify right side
    338,738.63x = 77,135,307,339.61
  5. Step 5: Solve for x
    x = 77,135,307,339.61/338,738.63
  6. Step 6: Final answer
    x = 227,713.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.