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Finding the Fourth Proportional to 288,375.76, 432,739.14 and 110,898.28

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Solution

The fourth proportional to 288,375.76, 432,739.14 and 110,898.28 is: 166,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,375.76 : 432,739.14 = 110,898.28 : x
  2. Step 2: Convert to fraction form
    288,375.76/432,739.14 = 110,898.28/x
  3. Step 3: Cross multiply
    288,375.76x = 432,739.14 × 110,898.28
  4. Step 4: Simplify right side
    288,375.76x = 47,990,026,314.68
  5. Step 5: Solve for x
    x = 47,990,026,314.68/288,375.76
  6. Step 6: Final answer
    x = 166,414.91

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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.