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Finding the Fourth Proportional to 488,223.36, 732,335.22 and 235,456.74

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Solution

The fourth proportional to 488,223.36, 732,335.22 and 235,456.74 is: 353,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,223.36 : 732,335.22 = 235,456.74 : x
  2. Step 2: Convert to fraction form
    488,223.36/732,335.22 = 235,456.74/x
  3. Step 3: Cross multiply
    488,223.36x = 732,335.22 × 235,456.74
  4. Step 4: Simplify right side
    488,223.36x = 172,433,263,488.38
  5. Step 5: Solve for x
    x = 172,433,263,488.38/488,223.36
  6. Step 6: Final answer
    x = 353,185.20

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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.