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Finding the Fourth Proportional to 353,759.46, 530,325.54 and 253,667.76

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Solution

The fourth proportional to 353,759.46, 530,325.54 and 253,667.76 is: 380,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,759.46 : 530,325.54 = 253,667.76 : x
  2. Step 2: Convert to fraction form
    353,759.46/530,325.54 = 253,667.76/x
  3. Step 3: Cross multiply
    353,759.46x = 530,325.54 × 253,667.76
  4. Step 4: Simplify right side
    353,759.46x = 134,526,491,802.59
  5. Step 5: Solve for x
    x = 134,526,491,802.59/353,759.46
  6. Step 6: Final answer
    x = 380,276.73

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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.