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Finding the Fourth Proportional to 310,851.06, 466,276.56 and 205,645.44

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Solution

The fourth proportional to 310,851.06, 466,276.56 and 205,645.44 is: 308,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,851.06 : 466,276.56 = 205,645.44 : x
  2. Step 2: Convert to fraction form
    310,851.06/466,276.56 = 205,645.44/x
  3. Step 3: Cross multiply
    310,851.06x = 466,276.56 × 205,645.44
  4. Step 4: Simplify right side
    310,851.06x = 95,887,648,342.89
  5. Step 5: Solve for x
    x = 95,887,648,342.89/310,851.06
  6. Step 6: Final answer
    x = 308,468.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.