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Finding the Fourth Proportional to 474,703.61, 655,091.69 and 259,857.25

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Solution

The fourth proportional to 474,703.61, 655,091.69 and 259,857.25 is: 358,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,703.61 : 655,091.69 = 259,857.25 : x
  2. Step 2: Convert to fraction form
    474,703.61/655,091.69 = 259,857.25/x
  3. Step 3: Cross multiply
    474,703.61x = 655,091.69 × 259,857.25
  4. Step 4: Simplify right side
    474,703.61x = 170,230,322,124.24
  5. Step 5: Solve for x
    x = 170,230,322,124.24/474,703.61
  6. Step 6: Final answer
    x = 358,603.39

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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.