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Finding the Fourth Proportional to 364,489.56, 546,773.28 and 154,148.76

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Solution

The fourth proportional to 364,489.56, 546,773.28 and 154,148.76 is: 231,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,489.56 : 546,773.28 = 154,148.76 : x
  2. Step 2: Convert to fraction form
    364,489.56/546,773.28 = 154,148.76/x
  3. Step 3: Cross multiply
    364,489.56x = 546,773.28 × 154,148.76
  4. Step 4: Simplify right side
    364,489.56x = 84,284,423,113.13
  5. Step 5: Solve for x
    x = 84,284,423,113.13/364,489.56
  6. Step 6: Final answer
    x = 231,239.61

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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.