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Finding the Fourth Proportional to 368,081.58, 551,899.28 and 240,093.48

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Solution

The fourth proportional to 368,081.58, 551,899.28 and 240,093.48 is: 359,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,081.58 : 551,899.28 = 240,093.48 : x
  2. Step 2: Convert to fraction form
    368,081.58/551,899.28 = 240,093.48/x
  3. Step 3: Cross multiply
    368,081.58x = 551,899.28 × 240,093.48
  4. Step 4: Simplify right side
    368,081.58x = 132,507,418,744.69
  5. Step 5: Solve for x
    x = 132,507,418,744.69/368,081.58
  6. Step 6: Final answer
    x = 359,994.70

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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.