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Finding the Fourth Proportional to 571,809.38, 857,714.06 and 197,832.38

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Solution

The fourth proportional to 571,809.38, 857,714.06 and 197,832.38 is: 296,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,809.38 : 857,714.06 = 197,832.38 : x
  2. Step 2: Convert to fraction form
    571,809.38/857,714.06 = 197,832.38/x
  3. Step 3: Cross multiply
    571,809.38x = 857,714.06 × 197,832.38
  4. Step 4: Simplify right side
    571,809.38x = 169,683,610,055.27
  5. Step 5: Solve for x
    x = 169,683,610,055.27/571,809.38
  6. Step 6: Final answer
    x = 296,748.56

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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.