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Finding the Fourth Proportional to 622,168.40, 932,561.40 and 341,886.80

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Solution

The fourth proportional to 622,168.40, 932,561.40 and 341,886.80 is: 512,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,168.40 : 932,561.40 = 341,886.80 : x
  2. Step 2: Convert to fraction form
    622,168.40/932,561.40 = 341,886.80/x
  3. Step 3: Cross multiply
    622,168.40x = 932,561.40 × 341,886.80
  4. Step 4: Simplify right side
    622,168.40x = 318,830,432,849.52
  5. Step 5: Solve for x
    x = 318,830,432,849.52/622,168.40
  6. Step 6: Final answer
    x = 512,450.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.