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Finding the Fourth Proportional to 1,150,934.10, 1,726,401.15 and 973,787.10

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Solution

The fourth proportional to 1,150,934.10, 1,726,401.15 and 973,787.10 is: 1,460,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,934.10 : 1,726,401.15 = 973,787.10 : x
  2. Step 2: Convert to fraction form
    1,150,934.10/1,726,401.15 = 973,787.10/x
  3. Step 3: Cross multiply
    1,150,934.10x = 1,726,401.15 × 973,787.10
  4. Step 4: Simplify right side
    1,150,934.10x = 1,681,147,169,295.16
  5. Step 5: Solve for x
    x = 1,681,147,169,295.16/1,150,934.10
  6. Step 6: Final answer
    x = 1,460,680.65

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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.