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Finding the Fourth Proportional to 1,787,029.83, 2,466,459.81 and 1,061,737.88

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Solution

The fourth proportional to 1,787,029.83, 2,466,459.81 and 1,061,737.88 is: 1,465,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,029.83 : 2,466,459.81 = 1,061,737.88 : x
  2. Step 2: Convert to fraction form
    1,787,029.83/2,466,459.81 = 1,061,737.88/x
  3. Step 3: Cross multiply
    1,787,029.83x = 2,466,459.81 × 1,061,737.88
  4. Step 4: Simplify right side
    1,787,029.83x = 2,618,733,797,442.30
  5. Step 5: Solve for x
    x = 2,618,733,797,442.30/1,787,029.83
  6. Step 6: Final answer
    x = 1,465,411.35

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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.