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Finding the Fourth Proportional to 584,081.40, 875,636.10 and 247,380.60

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Solution

The fourth proportional to 584,081.40, 875,636.10 and 247,380.60 is: 370,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,081.40 : 875,636.10 = 247,380.60 : x
  2. Step 2: Convert to fraction form
    584,081.40/875,636.10 = 247,380.60/x
  3. Step 3: Cross multiply
    584,081.40x = 875,636.10 × 247,380.60
  4. Step 4: Simplify right side
    584,081.40x = 216,615,383,799.66
  5. Step 5: Solve for x
    x = 216,615,383,799.66/584,081.40
  6. Step 6: Final answer
    x = 370,865.06

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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.