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Finding the Fourth Proportional to 571,245.84, 857,081.99 and 304,858.31

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Solution

The fourth proportional to 571,245.84, 857,081.99 and 304,858.31 is: 457,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,245.84 : 857,081.99 = 304,858.31 : x
  2. Step 2: Convert to fraction form
    571,245.84/857,081.99 = 304,858.31/x
  3. Step 3: Cross multiply
    571,245.84x = 857,081.99 × 304,858.31
  4. Step 4: Simplify right side
    571,245.84x = 261,288,563,479.57
  5. Step 5: Solve for x
    x = 261,288,563,479.57/571,245.84
  6. Step 6: Final answer
    x = 457,401.25

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Similar ratio
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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.