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Finding the Fourth Proportional to 652,070.55, 899,812.31 and 361,654.73

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Solution

The fourth proportional to 652,070.55, 899,812.31 and 361,654.73 is: 499,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,070.55 : 899,812.31 = 361,654.73 : x
  2. Step 2: Convert to fraction form
    652,070.55/899,812.31 = 361,654.73/x
  3. Step 3: Cross multiply
    652,070.55x = 899,812.31 × 361,654.73
  4. Step 4: Simplify right side
    652,070.55x = 325,421,375,090.69
  5. Step 5: Solve for x
    x = 325,421,375,090.69/652,070.55
  6. Step 6: Final answer
    x = 499,058.53

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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.