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Finding the Fourth Proportional to 276,762.20, 415,143.30 and 227,554.70

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Solution

The fourth proportional to 276,762.20, 415,143.30 and 227,554.70 is: 341,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,762.20 : 415,143.30 = 227,554.70 : x
  2. Step 2: Convert to fraction form
    276,762.20/415,143.30 = 227,554.70/x
  3. Step 3: Cross multiply
    276,762.20x = 415,143.30 × 227,554.70
  4. Step 4: Simplify right side
    276,762.20x = 94,467,809,088.51
  5. Step 5: Solve for x
    x = 94,467,809,088.51/276,762.20
  6. Step 6: Final answer
    x = 341,332.05

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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.