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Finding the Fourth Proportional to 291,682.80, 437,524.20 and 158,972.40

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Solution

The fourth proportional to 291,682.80, 437,524.20 and 158,972.40 is: 238,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,682.80 : 437,524.20 = 158,972.40 : x
  2. Step 2: Convert to fraction form
    291,682.80/437,524.20 = 158,972.40/x
  3. Step 3: Cross multiply
    291,682.80x = 437,524.20 × 158,972.40
  4. Step 4: Simplify right side
    291,682.80x = 69,554,272,132.08
  5. Step 5: Solve for x
    x = 69,554,272,132.08/291,682.80
  6. Step 6: Final answer
    x = 238,458.60

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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.