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Finding the Fourth Proportional to 674,551.94, 930,845.13 and 372,726.50

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Solution

The fourth proportional to 674,551.94, 930,845.13 and 372,726.50 is: 514,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,551.94 : 930,845.13 = 372,726.50 : x
  2. Step 2: Convert to fraction form
    674,551.94/930,845.13 = 372,726.50/x
  3. Step 3: Cross multiply
    674,551.94x = 930,845.13 × 372,726.50
  4. Step 4: Simplify right side
    674,551.94x = 346,950,647,346.95
  5. Step 5: Solve for x
    x = 346,950,647,346.95/674,551.94
  6. Step 6: Final answer
    x = 514,342.38

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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.