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Finding the Fourth Proportional to 477,251.69, 658,590.51 and 262,390.11

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Solution

The fourth proportional to 477,251.69, 658,590.51 and 262,390.11 is: 362,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,251.69 : 658,590.51 = 262,390.11 : x
  2. Step 2: Convert to fraction form
    477,251.69/658,590.51 = 262,390.11/x
  3. Step 3: Cross multiply
    477,251.69x = 658,590.51 × 262,390.11
  4. Step 4: Simplify right side
    477,251.69x = 172,807,632,910.18
  5. Step 5: Solve for x
    x = 172,807,632,910.18/477,251.69
  6. Step 6: Final answer
    x = 362,089.09

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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.