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Finding the Fourth Proportional to 295,124.20, 442,686.30 and 73,508.20

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Solution

The fourth proportional to 295,124.20, 442,686.30 and 73,508.20 is: 110,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,124.20 : 442,686.30 = 73,508.20 : x
  2. Step 2: Convert to fraction form
    295,124.20/442,686.30 = 73,508.20/x
  3. Step 3: Cross multiply
    295,124.20x = 442,686.30 × 73,508.20
  4. Step 4: Simplify right side
    295,124.20x = 32,541,073,077.66
  5. Step 5: Solve for x
    x = 32,541,073,077.66/295,124.20
  6. Step 6: Final answer
    x = 110,262.30

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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.