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Finding the Fourth Proportional to 480,884.56, 663,640.23 and 266,020.93

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Solution

The fourth proportional to 480,884.56, 663,640.23 and 266,020.93 is: 367,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,884.56 : 663,640.23 = 266,020.93 : x
  2. Step 2: Convert to fraction form
    480,884.56/663,640.23 = 266,020.93/x
  3. Step 3: Cross multiply
    480,884.56x = 663,640.23 × 266,020.93
  4. Step 4: Simplify right side
    480,884.56x = 176,542,191,170.01
  5. Step 5: Solve for x
    x = 176,542,191,170.01/480,884.56
  6. Step 6: Final answer
    x = 367,119.69

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1.5x scale

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.