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Finding the Fourth Proportional to 240,348.76, 360,522.68 and 90,622.64

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Solution

The fourth proportional to 240,348.76, 360,522.68 and 90,622.64 is: 135,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,348.76 : 360,522.68 = 90,622.64 : x
  2. Step 2: Convert to fraction form
    240,348.76/360,522.68 = 90,622.64/x
  3. Step 3: Cross multiply
    240,348.76x = 360,522.68 × 90,622.64
  4. Step 4: Simplify right side
    240,348.76x = 32,671,515,238.86
  5. Step 5: Solve for x
    x = 32,671,515,238.86/240,348.76
  6. Step 6: Final answer
    x = 135,933.78

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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.