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Finding the Fourth Proportional to 458,298.30, 632,527.68 and 267,311.70

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Solution

The fourth proportional to 458,298.30, 632,527.68 and 267,311.70 is: 368,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,298.30 : 632,527.68 = 267,311.70 : x
  2. Step 2: Convert to fraction form
    458,298.30/632,527.68 = 267,311.70/x
  3. Step 3: Cross multiply
    458,298.30x = 632,527.68 × 267,311.70
  4. Step 4: Simplify right side
    458,298.30x = 169,082,049,437.86
  5. Step 5: Solve for x
    x = 169,082,049,437.86/458,298.30
  6. Step 6: Final answer
    x = 368,934.49

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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.