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Finding the Fourth Proportional to 845,358.88, 1,268,180.88 and 284,260

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Solution

The fourth proportional to 845,358.88, 1,268,180.88 and 284,260 is: 426,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,358.88 : 1,268,180.88 = 284,260 : x
  2. Step 2: Convert to fraction form
    845,358.88/1,268,180.88 = 284,260/x
  3. Step 3: Cross multiply
    845,358.88x = 1,268,180.88 × 284,260
  4. Step 4: Simplify right side
    845,358.88x = 360,493,096,948.80
  5. Step 5: Solve for x
    x = 360,493,096,948.80/845,358.88
  6. Step 6: Final answer
    x = 426,437.94

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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.