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Finding the Fourth Proportional to 3,491,398.08, 4,815,397.08 and 2,389,482.72

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Solution

The fourth proportional to 3,491,398.08, 4,815,397.08 and 2,389,482.72 is: 3,295,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,398.08 : 4,815,397.08 = 2,389,482.72 : x
  2. Step 2: Convert to fraction form
    3,491,398.08/4,815,397.08 = 2,389,482.72/x
  3. Step 3: Cross multiply
    3,491,398.08x = 4,815,397.08 × 2,389,482.72
  4. Step 4: Simplify right side
    3,491,398.08x = 11,506,308,112,598.46
  5. Step 5: Solve for x
    x = 11,506,308,112,598.46/3,491,398.08
  6. Step 6: Final answer
    x = 3,295,616.21

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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.