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Finding the Fourth Proportional to 363,860.31, 545,848.85 and 153,529.23

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Solution

The fourth proportional to 363,860.31, 545,848.85 and 153,529.23 is: 230,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,860.31 : 545,848.85 = 153,529.23 : x
  2. Step 2: Convert to fraction form
    363,860.31/545,848.85 = 153,529.23/x
  3. Step 3: Cross multiply
    363,860.31x = 545,848.85 × 153,529.23
  4. Step 4: Simplify right side
    363,860.31x = 83,803,753,636.89
  5. Step 5: Solve for x
    x = 83,803,753,636.89/363,860.31
  6. Step 6: Final answer
    x = 230,318.48

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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.