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Finding the Fourth Proportional to 555,901.53, 767,408.59 and 372,455.97

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Solution

The fourth proportional to 555,901.53, 767,408.59 and 372,455.97 is: 514,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,901.53 : 767,408.59 = 372,455.97 : x
  2. Step 2: Convert to fraction form
    555,901.53/767,408.59 = 372,455.97/x
  3. Step 3: Cross multiply
    555,901.53x = 767,408.59 × 372,455.97
  4. Step 4: Simplify right side
    555,901.53x = 285,825,908,912.50
  5. Step 5: Solve for x
    x = 285,825,908,912.50/555,901.53
  6. Step 6: Final answer
    x = 514,166.44

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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.