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Finding the Fourth Proportional to 373,083.84, 514,866.60 and 203,328.90

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Solution

The fourth proportional to 373,083.84, 514,866.60 and 203,328.90 is: 280,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,083.84 : 514,866.60 = 203,328.90 : x
  2. Step 2: Convert to fraction form
    373,083.84/514,866.60 = 203,328.90/x
  3. Step 3: Cross multiply
    373,083.84x = 514,866.60 × 203,328.90
  4. Step 4: Simplify right side
    373,083.84x = 104,687,259,424.74
  5. Step 5: Solve for x
    x = 104,687,259,424.74/373,083.84
  6. Step 6: Final answer
    x = 280,599.82

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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.