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Finding the Fourth Proportional to 474,040.88, 654,177.60 and 259,194.80

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Solution

The fourth proportional to 474,040.88, 654,177.60 and 259,194.80 is: 357,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,040.88 : 654,177.60 = 259,194.80 : x
  2. Step 2: Convert to fraction form
    474,040.88/654,177.60 = 259,194.80/x
  3. Step 3: Cross multiply
    474,040.88x = 654,177.60 × 259,194.80
  4. Step 4: Simplify right side
    474,040.88x = 169,559,432,196.48
  5. Step 5: Solve for x
    x = 169,559,432,196.48/474,040.88
  6. Step 6: Final answer
    x = 357,689.47

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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.