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Finding the Fourth Proportional to 261,263.60, 360,558.03 and 146,578.57

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Solution

The fourth proportional to 261,263.60, 360,558.03 and 146,578.57 is: 202,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,263.60 : 360,558.03 = 146,578.57 : x
  2. Step 2: Convert to fraction form
    261,263.60/360,558.03 = 146,578.57/x
  3. Step 3: Cross multiply
    261,263.60x = 360,558.03 × 146,578.57
  4. Step 4: Simplify right side
    261,263.60x = 52,850,080,439.42
  5. Step 5: Solve for x
    x = 52,850,080,439.42/261,263.60
  6. Step 6: Final answer
    x = 202,286.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.