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Finding the Fourth Proportional to 364,859.35, 547,105.30 and 121,614.28

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Solution

The fourth proportional to 364,859.35, 547,105.30 and 121,614.28 is: 182,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,859.35 : 547,105.30 = 121,614.28 : x
  2. Step 2: Convert to fraction form
    364,859.35/547,105.30 = 121,614.28/x
  3. Step 3: Cross multiply
    364,859.35x = 547,105.30 × 121,614.28
  4. Step 4: Simplify right side
    364,859.35x = 66,535,816,155.97
  5. Step 5: Solve for x
    x = 66,535,816,155.97/364,859.35
  6. Step 6: Final answer
    x = 182,360.18

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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.