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Finding the Fourth Proportional to 316,244.99, 474,523.29 and 147,776.96

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Solution

The fourth proportional to 316,244.99, 474,523.29 and 147,776.96 is: 221,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,244.99 : 474,523.29 = 147,776.96 : x
  2. Step 2: Convert to fraction form
    316,244.99/474,523.29 = 147,776.96/x
  3. Step 3: Cross multiply
    316,244.99x = 474,523.29 × 147,776.96
  4. Step 4: Simplify right side
    316,244.99x = 70,123,606,872.78
  5. Step 5: Solve for x
    x = 70,123,606,872.78/316,244.99
  6. Step 6: Final answer
    x = 221,738.24

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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.