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Finding the Fourth Proportional to 323,045.48, 484,592.82 and 98,425.09

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Solution

The fourth proportional to 323,045.48, 484,592.82 and 98,425.09 is: 147,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,045.48 : 484,592.82 = 98,425.09 : x
  2. Step 2: Convert to fraction form
    323,045.48/484,592.82 = 98,425.09/x
  3. Step 3: Cross multiply
    323,045.48x = 484,592.82 × 98,425.09
  4. Step 4: Simplify right side
    323,045.48x = 47,696,091,921.85
  5. Step 5: Solve for x
    x = 47,696,091,921.85/323,045.48
  6. Step 6: Final answer
    x = 147,645.13

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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.