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Finding the Fourth Proportional to 484,517.08, 668,626.86 and 269,657.16

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Solution

The fourth proportional to 484,517.08, 668,626.86 and 269,657.16 is: 372,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,517.08 : 668,626.86 = 269,657.16 : x
  2. Step 2: Convert to fraction form
    484,517.08/668,626.86 = 269,657.16/x
  3. Step 3: Cross multiply
    484,517.08x = 668,626.86 × 269,657.16
  4. Step 4: Simplify right side
    484,517.08x = 180,300,020,167.32
  5. Step 5: Solve for x
    x = 180,300,020,167.32/484,517.08
  6. Step 6: Final answer
    x = 372,123.15

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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.