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Finding the Fourth Proportional to 609,923, 841,693.80 and 341,651

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Solution

The fourth proportional to 609,923, 841,693.80 and 341,651 is: 471,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,923 : 841,693.80 = 341,651 : x
  2. Step 2: Convert to fraction form
    609,923/841,693.80 = 341,651/x
  3. Step 3: Cross multiply
    609,923x = 841,693.80 × 341,651
  4. Step 4: Simplify right side
    609,923x = 287,565,528,463.80
  5. Step 5: Solve for x
    x = 287,565,528,463.80/609,923
  6. Step 6: Final answer
    x = 471,478.41

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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.