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Finding the Fourth Proportional to 480,081.44, 662,479.08 and 265,219.76

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Solution

The fourth proportional to 480,081.44, 662,479.08 and 265,219.76 is: 365,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,081.44 : 662,479.08 = 265,219.76 : x
  2. Step 2: Convert to fraction form
    480,081.44/662,479.08 = 265,219.76/x
  3. Step 3: Cross multiply
    480,081.44x = 662,479.08 × 265,219.76
  4. Step 4: Simplify right side
    480,081.44x = 175,702,542,602.62
  5. Step 5: Solve for x
    x = 175,702,542,602.62/480,081.44
  6. Step 6: Final answer
    x = 365,984.87

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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.