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Finding the Fourth Proportional to 632,576.88, 872,948.34 and 346,092.84

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Solution

The fourth proportional to 632,576.88, 872,948.34 and 346,092.84 is: 477,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,576.88 : 872,948.34 = 346,092.84 : x
  2. Step 2: Convert to fraction form
    632,576.88/872,948.34 = 346,092.84/x
  3. Step 3: Cross multiply
    632,576.88x = 872,948.34 × 346,092.84
  4. Step 4: Simplify right side
    632,576.88x = 302,121,170,163.89
  5. Step 5: Solve for x
    x = 302,121,170,163.89/632,576.88
  6. Step 6: Final answer
    x = 477,603.88

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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.