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Finding the Fourth Proportional to 571,227.22, 856,897.72 and 211,494.25

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Solution

The fourth proportional to 571,227.22, 856,897.72 and 211,494.25 is: 317,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,227.22 : 856,897.72 = 211,494.25 : x
  2. Step 2: Convert to fraction form
    571,227.22/856,897.72 = 211,494.25/x
  3. Step 3: Cross multiply
    571,227.22x = 856,897.72 × 211,494.25
  4. Step 4: Simplify right side
    571,227.22x = 181,228,940,618.11
  5. Step 5: Solve for x
    x = 181,228,940,618.11/571,227.22
  6. Step 6: Final answer
    x = 317,262.44

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Double scale
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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.