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Finding the Fourth Proportional to 365,547.30, 504,416.43 and 202,177.85

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Solution

The fourth proportional to 365,547.30, 504,416.43 and 202,177.85 is: 278,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,547.30 : 504,416.43 = 202,177.85 : x
  2. Step 2: Convert to fraction form
    365,547.30/504,416.43 = 202,177.85/x
  3. Step 3: Cross multiply
    365,547.30x = 504,416.43 × 202,177.85
  4. Step 4: Simplify right side
    365,547.30x = 101,981,826,799.99
  5. Step 5: Solve for x
    x = 101,981,826,799.99/365,547.30
  6. Step 6: Final answer
    x = 278,983.94

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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.