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Finding the Fourth Proportional to 338,571.25, 507,923.22 and 125,340.91

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Solution

The fourth proportional to 338,571.25, 507,923.22 and 125,340.91 is: 188,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,571.25 : 507,923.22 = 125,340.91 : x
  2. Step 2: Convert to fraction form
    338,571.25/507,923.22 = 125,340.91/x
  3. Step 3: Cross multiply
    338,571.25x = 507,923.22 × 125,340.91
  4. Step 4: Simplify right side
    338,571.25x = 63,663,557,335.12
  5. Step 5: Solve for x
    x = 63,663,557,335.12/338,571.25
  6. Step 6: Final answer
    x = 188,035.92

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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.