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Finding the Fourth Proportional to 3,217,598.88, 4,826,412.96 and 1,087,694.40

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Solution

The fourth proportional to 3,217,598.88, 4,826,412.96 and 1,087,694.40 is: 1,631,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,598.88 : 4,826,412.96 = 1,087,694.40 : x
  2. Step 2: Convert to fraction form
    3,217,598.88/4,826,412.96 = 1,087,694.40/x
  3. Step 3: Cross multiply
    3,217,598.88x = 4,826,412.96 × 1,087,694.40
  4. Step 4: Simplify right side
    3,217,598.88x = 5,249,662,348,679.42
  5. Step 5: Solve for x
    x = 5,249,662,348,679.42/3,217,598.88
  6. Step 6: Final answer
    x = 1,631,546.55

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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.