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Finding the Fourth Proportional to 526,898.46, 727,137.48 and 322,909.97

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Solution

The fourth proportional to 526,898.46, 727,137.48 and 322,909.97 is: 445,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,898.46 : 727,137.48 = 322,909.97 : x
  2. Step 2: Convert to fraction form
    526,898.46/727,137.48 = 322,909.97/x
  3. Step 3: Cross multiply
    526,898.46x = 727,137.48 × 322,909.97
  4. Step 4: Simplify right side
    526,898.46x = 234,799,943,670.52
  5. Step 5: Solve for x
    x = 234,799,943,670.52/526,898.46
  6. Step 6: Final answer
    x = 445,626.55

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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.