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Finding the Fourth Proportional to 355,862.64, 533,794.28 and 145,500.56

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Solution

The fourth proportional to 355,862.64, 533,794.28 and 145,500.56 is: 218,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,862.64 : 533,794.28 = 145,500.56 : x
  2. Step 2: Convert to fraction form
    355,862.64/533,794.28 = 145,500.56/x
  3. Step 3: Cross multiply
    355,862.64x = 533,794.28 × 145,500.56
  4. Step 4: Simplify right side
    355,862.64x = 77,667,366,664.80
  5. Step 5: Solve for x
    x = 77,667,366,664.80/355,862.64
  6. Step 6: Final answer
    x = 218,250.97

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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.