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Finding the Fourth Proportional to 625,482.96, 863,166.06 and 339,002.88

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Solution

The fourth proportional to 625,482.96, 863,166.06 and 339,002.88 is: 467,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,482.96 : 863,166.06 = 339,002.88 : x
  2. Step 2: Convert to fraction form
    625,482.96/863,166.06 = 339,002.88/x
  3. Step 3: Cross multiply
    625,482.96x = 863,166.06 × 339,002.88
  4. Step 4: Simplify right side
    625,482.96x = 292,615,780,258.25
  5. Step 5: Solve for x
    x = 292,615,780,258.25/625,482.96
  6. Step 6: Final answer
    x = 467,823.74

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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.