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Finding the Fourth Proportional to 633,261.90, 873,895.17 and 342,872.04

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Solution

The fourth proportional to 633,261.90, 873,895.17 and 342,872.04 is: 473,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,261.90 : 873,895.17 = 342,872.04 : x
  2. Step 2: Convert to fraction form
    633,261.90/873,895.17 = 342,872.04/x
  3. Step 3: Cross multiply
    633,261.90x = 873,895.17 × 342,872.04
  4. Step 4: Simplify right side
    633,261.90x = 299,634,219,684.05
  5. Step 5: Solve for x
    x = 299,634,219,684.05/633,261.90
  6. Step 6: Final answer
    x = 473,160.03

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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.