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Finding the Fourth Proportional to 2,491,569.40, 3,497,645 and 2,491,569.40

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Solution

The fourth proportional to 2,491,569.40, 3,497,645 and 2,491,569.40 is: 3,497,645

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,569.40 : 3,497,645 = 2,491,569.40 : x
  2. Step 2: Convert to fraction form
    2,491,569.40/3,497,645 = 2,491,569.40/x
  3. Step 3: Cross multiply
    2,491,569.40x = 3,497,645 × 2,491,569.40
  4. Step 4: Simplify right side
    2,491,569.40x = 8,714,625,254,063
  5. Step 5: Solve for x
    x = 8,714,625,254,063/2,491,569.40
  6. Step 6: Final answer
    x = 3,497,645

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.