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Finding the Fourth Proportional to 675,217.44, 931,763.52 and 373,392

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Solution

The fourth proportional to 675,217.44, 931,763.52 and 373,392 is: 515,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,217.44 : 931,763.52 = 373,392 : x
  2. Step 2: Convert to fraction form
    675,217.44/931,763.52 = 373,392/x
  3. Step 3: Cross multiply
    675,217.44x = 931,763.52 × 373,392
  4. Step 4: Simplify right side
    675,217.44x = 347,913,044,259.84
  5. Step 5: Solve for x
    x = 347,913,044,259.84/675,217.44
  6. Step 6: Final answer
    x = 515,260.75

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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.