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Finding the Fourth Proportional to 245,254.20, 367,686.90 and 134,446.20

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Solution

The fourth proportional to 245,254.20, 367,686.90 and 134,446.20 is: 201,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,254.20 : 367,686.90 = 134,446.20 : x
  2. Step 2: Convert to fraction form
    245,254.20/367,686.90 = 134,446.20/x
  3. Step 3: Cross multiply
    245,254.20x = 367,686.90 × 134,446.20
  4. Step 4: Simplify right side
    245,254.20x = 49,434,106,494.78
  5. Step 5: Solve for x
    x = 49,434,106,494.78/245,254.20
  6. Step 6: Final answer
    x = 201,562.73

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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.