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Finding the Fourth Proportional to 611,807.52, 844,266.96 and 339,894.48

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Solution

The fourth proportional to 611,807.52, 844,266.96 and 339,894.48 is: 469,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,807.52 : 844,266.96 = 339,894.48 : x
  2. Step 2: Convert to fraction form
    611,807.52/844,266.96 = 339,894.48/x
  3. Step 3: Cross multiply
    611,807.52x = 844,266.96 × 339,894.48
  4. Step 4: Simplify right side
    611,807.52x = 286,961,679,350.38
  5. Step 5: Solve for x
    x = 286,961,679,350.38/611,807.52
  6. Step 6: Final answer
    x = 469,039.15

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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.