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Finding the Fourth Proportional to 288,540.17, 432,843.06 and 99,014.75

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Solution

The fourth proportional to 288,540.17, 432,843.06 and 99,014.75 is: 148,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,540.17 : 432,843.06 = 99,014.75 : x
  2. Step 2: Convert to fraction form
    288,540.17/432,843.06 = 99,014.75/x
  3. Step 3: Cross multiply
    288,540.17x = 432,843.06 × 99,014.75
  4. Step 4: Simplify right side
    288,540.17x = 42,857,847,375.14
  5. Step 5: Solve for x
    x = 42,857,847,375.14/288,540.17
  6. Step 6: Final answer
    x = 148,533.38

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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.