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Finding the Fourth Proportional to 632,575.56, 872,868.06 and 377,872.68

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Solution

The fourth proportional to 632,575.56, 872,868.06 and 377,872.68 is: 521,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,575.56 : 872,868.06 = 377,872.68 : x
  2. Step 2: Convert to fraction form
    632,575.56/872,868.06 = 377,872.68/x
  3. Step 3: Cross multiply
    632,575.56x = 872,868.06 × 377,872.68
  4. Step 4: Simplify right side
    632,575.56x = 329,832,993,118.60
  5. Step 5: Solve for x
    x = 329,832,993,118.60/632,575.56
  6. Step 6: Final answer
    x = 521,412.80

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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.