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Finding the Fourth Proportional to 1,650,679.80, 2,476,019.70 and 1,508,962.20

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Solution

The fourth proportional to 1,650,679.80, 2,476,019.70 and 1,508,962.20 is: 2,263,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,679.80 : 2,476,019.70 = 1,508,962.20 : x
  2. Step 2: Convert to fraction form
    1,650,679.80/2,476,019.70 = 1,508,962.20/x
  3. Step 3: Cross multiply
    1,650,679.80x = 2,476,019.70 × 1,508,962.20
  4. Step 4: Simplify right side
    1,650,679.80x = 3,736,220,133,755.34
  5. Step 5: Solve for x
    x = 3,736,220,133,755.34/1,650,679.80
  6. Step 6: Final answer
    x = 2,263,443.30

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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.