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Finding the Fourth Proportional to 480,879.56, 663,633.34 and 266,015.92

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Solution

The fourth proportional to 480,879.56, 663,633.34 and 266,015.92 is: 367,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,879.56 : 663,633.34 = 266,015.92 : x
  2. Step 2: Convert to fraction form
    480,879.56/663,633.34 = 266,015.92/x
  3. Step 3: Cross multiply
    480,879.56x = 663,633.34 × 266,015.92
  4. Step 4: Simplify right side
    480,879.56x = 176,537,033,482.77
  5. Step 5: Solve for x
    x = 176,537,033,482.77/480,879.56
  6. Step 6: Final answer
    x = 367,112.78

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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.