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Finding the Fourth Proportional to 1,791,532, 2,472,314.16 and 986,716

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Solution

The fourth proportional to 1,791,532, 2,472,314.16 and 986,716 is: 1,361,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,532 : 2,472,314.16 = 986,716 : x
  2. Step 2: Convert to fraction form
    1,791,532/2,472,314.16 = 986,716/x
  3. Step 3: Cross multiply
    1,791,532x = 2,472,314.16 × 986,716
  4. Step 4: Simplify right side
    1,791,532x = 2,439,471,938,698.56
  5. Step 5: Solve for x
    x = 2,439,471,938,698.56/1,791,532
  6. Step 6: Final answer
    x = 1,361,668.08

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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.