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Finding the Fourth Proportional to 480,090.55, 662,519.97 and 265,216.59

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Solution

The fourth proportional to 480,090.55, 662,519.97 and 265,216.59 is: 365,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,090.55 : 662,519.97 = 265,216.59 : x
  2. Step 2: Convert to fraction form
    480,090.55/662,519.97 = 265,216.59/x
  3. Step 3: Cross multiply
    480,090.55x = 662,519.97 × 265,216.59
  4. Step 4: Simplify right side
    480,090.55x = 175,711,287,250.30
  5. Step 5: Solve for x
    x = 175,711,287,250.30/480,090.55
  6. Step 6: Final answer
    x = 365,996.14

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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.