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Finding the Fourth Proportional to 399,105.04, 550,751.16 and 237,877.08

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Solution

The fourth proportional to 399,105.04, 550,751.16 and 237,877.08 is: 328,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,105.04 : 550,751.16 = 237,877.08 : x
  2. Step 2: Convert to fraction form
    399,105.04/550,751.16 = 237,877.08/x
  3. Step 3: Cross multiply
    399,105.04x = 550,751.16 × 237,877.08
  4. Step 4: Simplify right side
    399,105.04x = 131,011,077,747.41
  5. Step 5: Solve for x
    x = 131,011,077,747.41/399,105.04
  6. Step 6: Final answer
    x = 328,262.15

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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.