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Finding the Fourth Proportional to 1,974,985.88, 2,962,480.03 and 479,077.88

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Solution

The fourth proportional to 1,974,985.88, 2,962,480.03 and 479,077.88 is: 718,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,985.88 : 2,962,480.03 = 479,077.88 : x
  2. Step 2: Convert to fraction form
    1,974,985.88/2,962,480.03 = 479,077.88/x
  3. Step 3: Cross multiply
    1,974,985.88x = 2,962,480.03 × 479,077.88
  4. Step 4: Simplify right side
    1,974,985.88x = 1,419,258,636,304.64
  5. Step 5: Solve for x
    x = 1,419,258,636,304.64/1,974,985.88
  6. Step 6: Final answer
    x = 718,617.11

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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.