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Finding the Fourth Proportional to 288,710.60, 433,065.90 and 182,422.40

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Solution

The fourth proportional to 288,710.60, 433,065.90 and 182,422.40 is: 273,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,710.60 : 433,065.90 = 182,422.40 : x
  2. Step 2: Convert to fraction form
    288,710.60/433,065.90 = 182,422.40/x
  3. Step 3: Cross multiply
    288,710.60x = 433,065.90 × 182,422.40
  4. Step 4: Simplify right side
    288,710.60x = 79,000,920,836.16
  5. Step 5: Solve for x
    x = 79,000,920,836.16/288,710.60
  6. Step 6: Final answer
    x = 273,633.60

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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.