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Finding the Fourth Proportional to 363,918.83, 502,201.29 and 198,348.19

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Solution

The fourth proportional to 363,918.83, 502,201.29 and 198,348.19 is: 273,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,918.83 : 502,201.29 = 198,348.19 : x
  2. Step 2: Convert to fraction form
    363,918.83/502,201.29 = 198,348.19/x
  3. Step 3: Cross multiply
    363,918.83x = 502,201.29 × 198,348.19
  4. Step 4: Simplify right side
    363,918.83x = 99,610,716,887.17
  5. Step 5: Solve for x
    x = 99,610,716,887.17/363,918.83
  6. Step 6: Final answer
    x = 273,716.85

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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.