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Finding the Fourth Proportional to 633,275.85, 873,914.11 and 342,882.42

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Solution

The fourth proportional to 633,275.85, 873,914.11 and 342,882.42 is: 473,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,275.85 : 873,914.11 = 342,882.42 : x
  2. Step 2: Convert to fraction form
    633,275.85/873,914.11 = 342,882.42/x
  3. Step 3: Cross multiply
    633,275.85x = 873,914.11 × 342,882.42
  4. Step 4: Simplify right side
    633,275.85x = 299,649,782,703.28
  5. Step 5: Solve for x
    x = 299,649,782,703.28/633,275.85
  6. Step 6: Final answer
    x = 473,174.19

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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.