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Finding the Fourth Proportional to 3,280,834.08, 4,921,508.52 and 884,642.40

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Solution

The fourth proportional to 3,280,834.08, 4,921,508.52 and 884,642.40 is: 1,327,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,834.08 : 4,921,508.52 = 884,642.40 : x
  2. Step 2: Convert to fraction form
    3,280,834.08/4,921,508.52 = 884,642.40/x
  3. Step 3: Cross multiply
    3,280,834.08x = 4,921,508.52 × 884,642.40
  4. Step 4: Simplify right side
    3,280,834.08x = 4,353,775,108,753.25
  5. Step 5: Solve for x
    x = 4,353,775,108,753.25/3,280,834.08
  6. Step 6: Final answer
    x = 1,327,033.01

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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.