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Finding the Fourth Proportional to 625,219.80, 937,829.70 and 293,443.80

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Solution

The fourth proportional to 625,219.80, 937,829.70 and 293,443.80 is: 440,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,219.80 : 937,829.70 = 293,443.80 : x
  2. Step 2: Convert to fraction form
    625,219.80/937,829.70 = 293,443.80/x
  3. Step 3: Cross multiply
    625,219.80x = 937,829.70 × 293,443.80
  4. Step 4: Simplify right side
    625,219.80x = 275,200,310,920.86
  5. Step 5: Solve for x
    x = 275,200,310,920.86/625,219.80
  6. Step 6: Final answer
    x = 440,165.70

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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.