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Finding the Fourth Proportional to 650,646.33, 897,891.78 and 364,166.40

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Solution

The fourth proportional to 650,646.33, 897,891.78 and 364,166.40 is: 502,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,646.33 : 897,891.78 = 364,166.40 : x
  2. Step 2: Convert to fraction form
    650,646.33/897,891.78 = 364,166.40/x
  3. Step 3: Cross multiply
    650,646.33x = 897,891.78 × 364,166.40
  4. Step 4: Simplify right side
    650,646.33x = 326,982,017,112.19
  5. Step 5: Solve for x
    x = 326,982,017,112.19/650,646.33
  6. Step 6: Final answer
    x = 502,549.55

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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.