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Finding the Fourth Proportional to 404,593.60, 607,581.60 and 264,971.20

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Solution

The fourth proportional to 404,593.60, 607,581.60 and 264,971.20 is: 397,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,593.60 : 607,581.60 = 264,971.20 : x
  2. Step 2: Convert to fraction form
    404,593.60/607,581.60 = 264,971.20/x
  3. Step 3: Cross multiply
    404,593.60x = 607,581.60 × 264,971.20
  4. Step 4: Simplify right side
    404,593.60x = 160,991,625,649.92
  5. Step 5: Solve for x
    x = 160,991,625,649.92/404,593.60
  6. Step 6: Final answer
    x = 397,909.47

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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.