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Finding the Fourth Proportional to 571,504.41, 857,256.62 and 192,393.43

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Solution

The fourth proportional to 571,504.41, 857,256.62 and 192,393.43 is: 288,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,504.41 : 857,256.62 = 192,393.43 : x
  2. Step 2: Convert to fraction form
    571,504.41/857,256.62 = 192,393.43/x
  3. Step 3: Cross multiply
    571,504.41x = 857,256.62 × 192,393.43
  4. Step 4: Simplify right side
    571,504.41x = 164,930,538,406.90
  5. Step 5: Solve for x
    x = 164,930,538,406.90/571,504.41
  6. Step 6: Final answer
    x = 288,590.14

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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.