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Finding the Fourth Proportional to 480,976.56, 663,767.22 and 266,113.14

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Solution

The fourth proportional to 480,976.56, 663,767.22 and 266,113.14 is: 367,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,976.56 : 663,767.22 = 266,113.14 : x
  2. Step 2: Convert to fraction form
    480,976.56/663,767.22 = 266,113.14/x
  3. Step 3: Cross multiply
    480,976.56x = 663,767.22 × 266,113.14
  4. Step 4: Simplify right side
    480,976.56x = 176,637,179,143.27
  5. Step 5: Solve for x
    x = 176,637,179,143.27/480,976.56
  6. Step 6: Final answer
    x = 367,246.96

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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.