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Finding the Fourth Proportional to 482,278.96, 665,543.82 and 267,413.50

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Solution

The fourth proportional to 482,278.96, 665,543.82 and 267,413.50 is: 369,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,278.96 : 665,543.82 = 267,413.50 : x
  2. Step 2: Convert to fraction form
    482,278.96/665,543.82 = 267,413.50/x
  3. Step 3: Cross multiply
    482,278.96x = 665,543.82 × 267,413.50
  4. Step 4: Simplify right side
    482,278.96x = 177,975,402,309.57
  5. Step 5: Solve for x
    x = 177,975,402,309.57/482,278.96
  6. Step 6: Final answer
    x = 369,030.00

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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.