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Finding the Fourth Proportional to 571,660.44, 857,490.66 and 197,479.32

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Solution

The fourth proportional to 571,660.44, 857,490.66 and 197,479.32 is: 296,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,660.44 : 857,490.66 = 197,479.32 : x
  2. Step 2: Convert to fraction form
    571,660.44/857,490.66 = 197,479.32/x
  3. Step 3: Cross multiply
    571,660.44x = 857,490.66 × 197,479.32
  4. Step 4: Simplify right side
    571,660.44x = 169,336,672,443.15
  5. Step 5: Solve for x
    x = 169,336,672,443.15/571,660.44
  6. Step 6: Final answer
    x = 296,218.98

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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.