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Finding the Fourth Proportional to 364,978.20, 547,812.90 and 225,010.20

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Solution

The fourth proportional to 364,978.20, 547,812.90 and 225,010.20 is: 337,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,978.20 : 547,812.90 = 225,010.20 : x
  2. Step 2: Convert to fraction form
    364,978.20/547,812.90 = 225,010.20/x
  3. Step 3: Cross multiply
    364,978.20x = 547,812.90 × 225,010.20
  4. Step 4: Simplify right side
    364,978.20x = 123,263,490,191.58
  5. Step 5: Solve for x
    x = 123,263,490,191.58/364,978.20
  6. Step 6: Final answer
    x = 337,728.36

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1.5x scale

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.