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Finding the Fourth Proportional to 477,262.46, 658,605.34 and 262,400.86

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Solution

The fourth proportional to 477,262.46, 658,605.34 and 262,400.86 is: 362,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,262.46 : 658,605.34 = 262,400.86 : x
  2. Step 2: Convert to fraction form
    477,262.46/658,605.34 = 262,400.86/x
  3. Step 3: Cross multiply
    477,262.46x = 658,605.34 × 262,400.86
  4. Step 4: Simplify right side
    477,262.46x = 172,818,607,616.59
  5. Step 5: Solve for x
    x = 172,818,607,616.59/477,262.46
  6. Step 6: Final answer
    x = 362,103.92

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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.