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Finding the Fourth Proportional to 633,307.52, 873,965.69 and 342,922.25

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Solution

The fourth proportional to 633,307.52, 873,965.69 and 342,922.25 is: 473,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,307.52 : 873,965.69 = 342,922.25 : x
  2. Step 2: Convert to fraction form
    633,307.52/873,965.69 = 342,922.25/x
  3. Step 3: Cross multiply
    633,307.52x = 873,965.69 × 342,922.25
  4. Step 4: Simplify right side
    633,307.52x = 299,702,274,753.16
  5. Step 5: Solve for x
    x = 299,702,274,753.16/633,307.52
  6. Step 6: Final answer
    x = 473,233.41

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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.