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Finding the Fourth Proportional to 276,537.33, 414,935.17 and 143,344.93

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Solution

The fourth proportional to 276,537.33, 414,935.17 and 143,344.93 is: 215,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,537.33 : 414,935.17 = 143,344.93 : x
  2. Step 2: Convert to fraction form
    276,537.33/414,935.17 = 143,344.93/x
  3. Step 3: Cross multiply
    276,537.33x = 414,935.17 × 143,344.93
  4. Step 4: Simplify right side
    276,537.33x = 59,478,851,502.49
  5. Step 5: Solve for x
    x = 59,478,851,502.49/276,537.33
  6. Step 6: Final answer
    x = 215,084.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.