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Finding the Fourth Proportional to 447,898.76, 618,100.32 and 246,694.76

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Solution

The fourth proportional to 447,898.76, 618,100.32 and 246,694.76 is: 340,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,898.76 : 618,100.32 = 246,694.76 : x
  2. Step 2: Convert to fraction form
    447,898.76/618,100.32 = 246,694.76/x
  3. Step 3: Cross multiply
    447,898.76x = 618,100.32 × 246,694.76
  4. Step 4: Simplify right side
    447,898.76x = 152,482,110,098.32
  5. Step 5: Solve for x
    x = 152,482,110,098.32/447,898.76
  6. Step 6: Final answer
    x = 340,438.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.