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Finding the Fourth Proportional to 480,772.92, 663,387.36 and 265,871

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Solution

The fourth proportional to 480,772.92, 663,387.36 and 265,871 is: 366,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,772.92 : 663,387.36 = 265,871 : x
  2. Step 2: Convert to fraction form
    480,772.92/663,387.36 = 265,871/x
  3. Step 3: Cross multiply
    480,772.92x = 663,387.36 × 265,871
  4. Step 4: Simplify right side
    480,772.92x = 176,375,460,790.56
  5. Step 5: Solve for x
    x = 176,375,460,790.56/480,772.92
  6. Step 6: Final answer
    x = 366,858.14

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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.