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Finding the Fourth Proportional to 632,053.62, 872,020.35 and 359,928.56

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Solution

The fourth proportional to 632,053.62, 872,020.35 and 359,928.56 is: 496,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,053.62 : 872,020.35 = 359,928.56 : x
  2. Step 2: Convert to fraction form
    632,053.62/872,020.35 = 359,928.56/x
  3. Step 3: Cross multiply
    632,053.62x = 872,020.35 × 359,928.56
  4. Step 4: Simplify right side
    632,053.62x = 313,865,024,506.09
  5. Step 5: Solve for x
    x = 313,865,024,506.09/632,053.62
  6. Step 6: Final answer
    x = 496,579.74

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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.