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Finding the Fourth Proportional to 1,246,176.90, 1,869,265.35 and 1,246,176.90

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Solution

The fourth proportional to 1,246,176.90, 1,869,265.35 and 1,246,176.90 is: 1,869,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,176.90 : 1,869,265.35 = 1,246,176.90 : x
  2. Step 2: Convert to fraction form
    1,246,176.90/1,869,265.35 = 1,246,176.90/x
  3. Step 3: Cross multiply
    1,246,176.90x = 1,869,265.35 × 1,246,176.90
  4. Step 4: Simplify right side
    1,246,176.90x = 2,329,435,299,140.42
  5. Step 5: Solve for x
    x = 2,329,435,299,140.42/1,246,176.90
  6. Step 6: Final answer
    x = 1,869,265.35

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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.