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Finding the Fourth Proportional to 612,282.57, 844,877.76 and 363,885.84

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Solution

The fourth proportional to 612,282.57, 844,877.76 and 363,885.84 is: 502,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,282.57 : 844,877.76 = 363,885.84 : x
  2. Step 2: Convert to fraction form
    612,282.57/844,877.76 = 363,885.84/x
  3. Step 3: Cross multiply
    612,282.57x = 844,877.76 × 363,885.84
  4. Step 4: Simplify right side
    612,282.57x = 307,439,053,394.92
  5. Step 5: Solve for x
    x = 307,439,053,394.92/612,282.57
  6. Step 6: Final answer
    x = 502,119.56

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1.5x scale

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.