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Finding the Fourth Proportional to 632,287.05, 872,554.17 and 341,896.58

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Solution

The fourth proportional to 632,287.05, 872,554.17 and 341,896.58 is: 471,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,287.05 : 872,554.17 = 341,896.58 : x
  2. Step 2: Convert to fraction form
    632,287.05/872,554.17 = 341,896.58/x
  3. Step 3: Cross multiply
    632,287.05x = 872,554.17 × 341,896.58
  4. Step 4: Simplify right side
    632,287.05x = 298,323,286,587.74
  5. Step 5: Solve for x
    x = 298,323,286,587.74/632,287.05
  6. Step 6: Final answer
    x = 471,816.22

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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.