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Finding the Fourth Proportional to 480,611.22, 663,291.89 and 265,767.54

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Solution

The fourth proportional to 480,611.22, 663,291.89 and 265,767.54 is: 366,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,611.22 : 663,291.89 = 265,767.54 : x
  2. Step 2: Convert to fraction form
    480,611.22/663,291.89 = 265,767.54/x
  3. Step 3: Cross multiply
    480,611.22x = 663,291.89 × 265,767.54
  4. Step 4: Simplify right side
    480,611.22x = 176,281,453,907.25
  5. Step 5: Solve for x
    x = 176,281,453,907.25/480,611.22
  6. Step 6: Final answer
    x = 366,785.97

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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.