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Finding the Fourth Proportional to 477,282.86, 658,652.82 and 262,436.76

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Solution

The fourth proportional to 477,282.86, 658,652.82 and 262,436.76 is: 362,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,282.86 : 658,652.82 = 262,436.76 : x
  2. Step 2: Convert to fraction form
    477,282.86/658,652.82 = 262,436.76/x
  3. Step 3: Cross multiply
    477,282.86x = 658,652.82 × 262,436.76
  4. Step 4: Simplify right side
    477,282.86x = 172,854,710,733.48
  5. Step 5: Solve for x
    x = 172,854,710,733.48/477,282.86
  6. Step 6: Final answer
    x = 362,164.09

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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.