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Finding the Fourth Proportional to 404,895.80, 607,781.10 and 227,748.80

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Solution

The fourth proportional to 404,895.80, 607,781.10 and 227,748.80 is: 341,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,895.80 : 607,781.10 = 227,748.80 : x
  2. Step 2: Convert to fraction form
    404,895.80/607,781.10 = 227,748.80/x
  3. Step 3: Cross multiply
    404,895.80x = 607,781.10 × 227,748.80
  4. Step 4: Simplify right side
    404,895.80x = 138,421,416,187.68
  5. Step 5: Solve for x
    x = 138,421,416,187.68/404,895.80
  6. Step 6: Final answer
    x = 341,869.23

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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.