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Finding the Fourth Proportional to 373,047.66, 514,806.42 and 203,281.78

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Solution

The fourth proportional to 373,047.66, 514,806.42 and 203,281.78 is: 280,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,047.66 : 514,806.42 = 203,281.78 : x
  2. Step 2: Convert to fraction form
    373,047.66/514,806.42 = 203,281.78/x
  3. Step 3: Cross multiply
    373,047.66x = 514,806.42 × 203,281.78
  4. Step 4: Simplify right side
    373,047.66x = 104,650,765,413.03
  5. Step 5: Solve for x
    x = 104,650,765,413.03/373,047.66
  6. Step 6: Final answer
    x = 280,529.21

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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.