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Finding the Fourth Proportional to 338,572.48, 507,451.04 and 125,170.24

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Solution

The fourth proportional to 338,572.48, 507,451.04 and 125,170.24 is: 187,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,572.48 : 507,451.04 = 125,170.24 : x
  2. Step 2: Convert to fraction form
    338,572.48/507,451.04 = 125,170.24/x
  3. Step 3: Cross multiply
    338,572.48x = 507,451.04 × 125,170.24
  4. Step 4: Simplify right side
    338,572.48x = 63,517,768,465.05
  5. Step 5: Solve for x
    x = 63,517,768,465.05/338,572.48
  6. Step 6: Final answer
    x = 187,604.64

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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.