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Finding the Fourth Proportional to 446,925.78, 670,246.47 and 147,350.52

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Solution

The fourth proportional to 446,925.78, 670,246.47 and 147,350.52 is: 220,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,925.78 : 670,246.47 = 147,350.52 : x
  2. Step 2: Convert to fraction form
    446,925.78/670,246.47 = 147,350.52/x
  3. Step 3: Cross multiply
    446,925.78x = 670,246.47 × 147,350.52
  4. Step 4: Simplify right side
    446,925.78x = 98,761,165,882.66
  5. Step 5: Solve for x
    x = 98,761,165,882.66/446,925.78
  6. Step 6: Final answer
    x = 220,978.90

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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.