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Finding the Fourth Proportional to 477,083.60, 715,625.40 and 240,887.60

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Solution

The fourth proportional to 477,083.60, 715,625.40 and 240,887.60 is: 361,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,083.60 : 715,625.40 = 240,887.60 : x
  2. Step 2: Convert to fraction form
    477,083.60/715,625.40 = 240,887.60/x
  3. Step 3: Cross multiply
    477,083.60x = 715,625.40 × 240,887.60
  4. Step 4: Simplify right side
    477,083.60x = 172,385,285,105.04
  5. Step 5: Solve for x
    x = 172,385,285,105.04/477,083.60
  6. Step 6: Final answer
    x = 361,331.40

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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.