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Finding the Fourth Proportional to 610,568.96, 842,635.49 and 338,724.34

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Solution

The fourth proportional to 610,568.96, 842,635.49 and 338,724.34 is: 467,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,568.96 : 842,635.49 = 338,724.34 : x
  2. Step 2: Convert to fraction form
    610,568.96/842,635.49 = 338,724.34/x
  3. Step 3: Cross multiply
    610,568.96x = 842,635.49 × 338,724.34
  4. Step 4: Simplify right side
    610,568.96x = 285,421,146,410.62
  5. Step 5: Solve for x
    x = 285,421,146,410.62/610,568.96
  6. Step 6: Final answer
    x = 467,467.51

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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.