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Finding the Fourth Proportional to 436,932.16, 603,011.76 and 267,279.20

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Solution

The fourth proportional to 436,932.16, 603,011.76 and 267,279.20 is: 368,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,932.16 : 603,011.76 = 267,279.20 : x
  2. Step 2: Convert to fraction form
    436,932.16/603,011.76 = 267,279.20/x
  3. Step 3: Cross multiply
    436,932.16x = 603,011.76 × 267,279.20
  4. Step 4: Simplify right side
    436,932.16x = 161,172,500,803.39
  5. Step 5: Solve for x
    x = 161,172,500,803.39/436,932.16
  6. Step 6: Final answer
    x = 368,873.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.