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Finding the Fourth Proportional to 477,406.44, 658,805.81 and 262,545.84

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Solution

The fourth proportional to 477,406.44, 658,805.81 and 262,545.84 is: 362,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,406.44 : 658,805.81 = 262,545.84 : x
  2. Step 2: Convert to fraction form
    477,406.44/658,805.81 = 262,545.84/x
  3. Step 3: Cross multiply
    477,406.44x = 658,805.81 × 262,545.84
  4. Step 4: Simplify right side
    477,406.44x = 172,966,723,470.60
  5. Step 5: Solve for x
    x = 172,966,723,470.60/477,406.44
  6. Step 6: Final answer
    x = 362,304.96

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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.