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Finding the Fourth Proportional to 318,334.60, 439,292.49 and 175,094.61

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Solution

The fourth proportional to 318,334.60, 439,292.49 and 175,094.61 is: 241,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,334.60 : 439,292.49 = 175,094.61 : x
  2. Step 2: Convert to fraction form
    318,334.60/439,292.49 = 175,094.61/x
  3. Step 3: Cross multiply
    318,334.60x = 439,292.49 × 175,094.61
  4. Step 4: Simplify right side
    318,334.60x = 76,917,745,565.13
  5. Step 5: Solve for x
    x = 76,917,745,565.13/318,334.60
  6. Step 6: Final answer
    x = 241,625.46

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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.