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Finding the Fourth Proportional to 474,729.19, 655,128.06 and 259,889.25

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Solution

The fourth proportional to 474,729.19, 655,128.06 and 259,889.25 is: 358,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,729.19 : 655,128.06 = 259,889.25 : x
  2. Step 2: Convert to fraction form
    474,729.19/655,128.06 = 259,889.25/x
  3. Step 3: Cross multiply
    474,729.19x = 655,128.06 × 259,889.25
  4. Step 4: Simplify right side
    474,729.19x = 170,260,737,230.09
  5. Step 5: Solve for x
    x = 170,260,737,230.09/474,729.19
  6. Step 6: Final answer
    x = 358,648.13

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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.