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Finding the Fourth Proportional to 336,245.28, 464,018.40 and 185,344.80

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Solution

The fourth proportional to 336,245.28, 464,018.40 and 185,344.80 is: 255,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,245.28 : 464,018.40 = 185,344.80 : x
  2. Step 2: Convert to fraction form
    336,245.28/464,018.40 = 185,344.80/x
  3. Step 3: Cross multiply
    336,245.28x = 464,018.40 × 185,344.80
  4. Step 4: Simplify right side
    336,245.28x = 86,003,397,544.32
  5. Step 5: Solve for x
    x = 86,003,397,544.32/336,245.28
  6. Step 6: Final answer
    x = 255,775.78

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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.