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Finding the Fourth Proportional to 635,041.53, 876,356.97 and 359,394.38

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Solution

The fourth proportional to 635,041.53, 876,356.97 and 359,394.38 is: 495,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,041.53 : 876,356.97 = 359,394.38 : x
  2. Step 2: Convert to fraction form
    635,041.53/876,356.97 = 359,394.38/x
  3. Step 3: Cross multiply
    635,041.53x = 876,356.97 × 359,394.38
  4. Step 4: Simplify right side
    635,041.53x = 314,957,770,144.11
  5. Step 5: Solve for x
    x = 314,957,770,144.11/635,041.53
  6. Step 6: Final answer
    x = 495,964.05

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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.