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Finding the Fourth Proportional to 2,465,748.40, 3,695,998.20 and 948,845.20

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Solution

The fourth proportional to 2,465,748.40, 3,695,998.20 and 948,845.20 is: 1,422,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465,748.40 : 3,695,998.20 = 948,845.20 : x
  2. Step 2: Convert to fraction form
    2,465,748.40/3,695,998.20 = 948,845.20/x
  3. Step 3: Cross multiply
    2,465,748.40x = 3,695,998.20 × 948,845.20
  4. Step 4: Simplify right side
    2,465,748.40x = 3,506,930,151,278.64
  5. Step 5: Solve for x
    x = 3,506,930,151,278.64/2,465,748.40
  6. Step 6: Final answer
    x = 1,422,257.90

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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.