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Finding the Fourth Proportional to 288,711.10, 433,066.65 and 182,422.90

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Solution

The fourth proportional to 288,711.10, 433,066.65 and 182,422.90 is: 273,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,711.10 : 433,066.65 = 182,422.90 : x
  2. Step 2: Convert to fraction form
    288,711.10/433,066.65 = 182,422.90/x
  3. Step 3: Cross multiply
    288,711.10x = 433,066.65 × 182,422.90
  4. Step 4: Simplify right side
    288,711.10x = 79,001,274,186.29
  5. Step 5: Solve for x
    x = 79,001,274,186.29/288,711.10
  6. Step 6: Final answer
    x = 273,634.35

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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.