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Finding the Fourth Proportional to 398,504.55, 597,631.04 and 158,514.11

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Solution

The fourth proportional to 398,504.55, 597,631.04 and 158,514.11 is: 237,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,504.55 : 597,631.04 = 158,514.11 : x
  2. Step 2: Convert to fraction form
    398,504.55/597,631.04 = 158,514.11/x
  3. Step 3: Cross multiply
    398,504.55x = 597,631.04 × 158,514.11
  4. Step 4: Simplify right side
    398,504.55x = 94,732,952,360.43
  5. Step 5: Solve for x
    x = 94,732,952,360.43/398,504.55
  6. Step 6: Final answer
    x = 237,721.13

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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.