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Finding the Fourth Proportional to 313,785.55, 433,027.43 and 170,545.60

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Solution

The fourth proportional to 313,785.55, 433,027.43 and 170,545.60 is: 235,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,785.55 : 433,027.43 = 170,545.60 : x
  2. Step 2: Convert to fraction form
    313,785.55/433,027.43 = 170,545.60/x
  3. Step 3: Cross multiply
    313,785.55x = 433,027.43 × 170,545.60
  4. Step 4: Simplify right side
    313,785.55x = 73,850,922,865.81
  5. Step 5: Solve for x
    x = 73,850,922,865.81/313,785.55
  6. Step 6: Final answer
    x = 235,354.76

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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.