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Finding the Fourth Proportional to 273,428.10, 410,142.15 and 248,933.70

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Solution

The fourth proportional to 273,428.10, 410,142.15 and 248,933.70 is: 373,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,428.10 : 410,142.15 = 248,933.70 : x
  2. Step 2: Convert to fraction form
    273,428.10/410,142.15 = 248,933.70/x
  3. Step 3: Cross multiply
    273,428.10x = 410,142.15 × 248,933.70
  4. Step 4: Simplify right side
    273,428.10x = 102,098,202,925.46
  5. Step 5: Solve for x
    x = 102,098,202,925.46/273,428.10
  6. Step 6: Final answer
    x = 373,400.55

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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.