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Finding the Fourth Proportional to 510,661.32, 765,563.16 and 222,257.58

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Solution

The fourth proportional to 510,661.32, 765,563.16 and 222,257.58 is: 333,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,661.32 : 765,563.16 = 222,257.58 : x
  2. Step 2: Convert to fraction form
    510,661.32/765,563.16 = 222,257.58/x
  3. Step 3: Cross multiply
    510,661.32x = 765,563.16 × 222,257.58
  4. Step 4: Simplify right side
    510,661.32x = 170,152,215,278.75
  5. Step 5: Solve for x
    x = 170,152,215,278.75/510,661.32
  6. Step 6: Final answer
    x = 333,199.73

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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.