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Finding the Fourth Proportional to 364,593.70, 546,890.55 and 276,020.20

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Solution

The fourth proportional to 364,593.70, 546,890.55 and 276,020.20 is: 414,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,593.70 : 546,890.55 = 276,020.20 : x
  2. Step 2: Convert to fraction form
    364,593.70/546,890.55 = 276,020.20/x
  3. Step 3: Cross multiply
    364,593.70x = 546,890.55 × 276,020.20
  4. Step 4: Simplify right side
    364,593.70x = 150,952,838,989.11
  5. Step 5: Solve for x
    x = 150,952,838,989.11/364,593.70
  6. Step 6: Final answer
    x = 414,030.30

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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.