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Finding the Fourth Proportional to 364,610.80, 546,916.20 and 164,937.70

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Solution

The fourth proportional to 364,610.80, 546,916.20 and 164,937.70 is: 247,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,610.80 : 546,916.20 = 164,937.70 : x
  2. Step 2: Convert to fraction form
    364,610.80/546,916.20 = 164,937.70/x
  3. Step 3: Cross multiply
    364,610.80x = 546,916.20 × 164,937.70
  4. Step 4: Simplify right side
    364,610.80x = 90,207,100,120.74
  5. Step 5: Solve for x
    x = 90,207,100,120.74/364,610.80
  6. Step 6: Final answer
    x = 247,406.55

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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.