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Finding the Fourth Proportional to 476,579.80, 713,780.94 and 227,436.76

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Solution

The fourth proportional to 476,579.80, 713,780.94 and 227,436.76 is: 340,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,579.80 : 713,780.94 = 227,436.76 : x
  2. Step 2: Convert to fraction form
    476,579.80/713,780.94 = 227,436.76/x
  3. Step 3: Cross multiply
    476,579.80x = 713,780.94 × 227,436.76
  4. Step 4: Simplify right side
    476,579.80x = 162,340,024,343.35
  5. Step 5: Solve for x
    x = 162,340,024,343.35/476,579.80
  6. Step 6: Final answer
    x = 340,635.55

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1.5x scale

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.