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Finding the Fourth Proportional to 612,281.57, 844,876.38 and 363,884.84

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Solution

The fourth proportional to 612,281.57, 844,876.38 and 363,884.84 is: 502,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,281.57 : 844,876.38 = 363,884.84 : x
  2. Step 2: Convert to fraction form
    612,281.57/844,876.38 = 363,884.84/x
  3. Step 3: Cross multiply
    612,281.57x = 844,876.38 × 363,884.84
  4. Step 4: Simplify right side
    612,281.57x = 307,437,702,131.70
  5. Step 5: Solve for x
    x = 307,437,702,131.70/612,281.57
  6. Step 6: Final answer
    x = 502,118.18

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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.