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Finding the Fourth Proportional to 480,351.57, 662,919.48 and 265,487.01

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Solution

The fourth proportional to 480,351.57, 662,919.48 and 265,487.01 is: 366,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,351.57 : 662,919.48 = 265,487.01 : x
  2. Step 2: Convert to fraction form
    480,351.57/662,919.48 = 265,487.01/x
  3. Step 3: Cross multiply
    480,351.57x = 662,919.48 × 265,487.01
  4. Step 4: Simplify right side
    480,351.57x = 175,996,510,615.96
  5. Step 5: Solve for x
    x = 175,996,510,615.96/480,351.57
  6. Step 6: Final answer
    x = 366,391.04

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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.