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Finding the Fourth Proportional to 571,596.71, 857,396.52 and 192,783.51

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Solution

The fourth proportional to 571,596.71, 857,396.52 and 192,783.51 is: 289,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,596.71 : 857,396.52 = 192,783.51 : x
  2. Step 2: Convert to fraction form
    571,596.71/857,396.52 = 192,783.51/x
  3. Step 3: Cross multiply
    571,596.71x = 857,396.52 × 192,783.51
  4. Step 4: Simplify right side
    571,596.71x = 165,291,910,587.39
  5. Step 5: Solve for x
    x = 165,291,910,587.39/571,596.71
  6. Step 6: Final answer
    x = 289,175.76

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Double scale
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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.