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Finding the Fourth Proportional to 611,329.88, 841,891.38 and 441,294.68

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Solution

The fourth proportional to 611,329.88, 841,891.38 and 441,294.68 is: 607,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,329.88 : 841,891.38 = 441,294.68 : x
  2. Step 2: Convert to fraction form
    611,329.88/841,891.38 = 441,294.68/x
  3. Step 3: Cross multiply
    611,329.88x = 841,891.38 × 441,294.68
  4. Step 4: Simplify right side
    611,329.88x = 371,522,187,131.86
  5. Step 5: Solve for x
    x = 371,522,187,131.86/611,329.88
  6. Step 6: Final answer
    x = 607,727.84

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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.