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Finding the Fourth Proportional to 480,522.48, 663,091.56 and 265,649.64

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Solution

The fourth proportional to 480,522.48, 663,091.56 and 265,649.64 is: 366,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,522.48 : 663,091.56 = 265,649.64 : x
  2. Step 2: Convert to fraction form
    480,522.48/663,091.56 = 265,649.64/x
  3. Step 3: Cross multiply
    480,522.48x = 663,091.56 × 265,649.64
  4. Step 4: Simplify right side
    480,522.48x = 176,150,034,201.04
  5. Step 5: Solve for x
    x = 176,150,034,201.04/480,522.48
  6. Step 6: Final answer
    x = 366,580.22

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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.