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Finding the Fourth Proportional to 637,227.72, 955,840.38 and 188,263.96

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Solution

The fourth proportional to 637,227.72, 955,840.38 and 188,263.96 is: 282,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,227.72 : 955,840.38 = 188,263.96 : x
  2. Step 2: Convert to fraction form
    637,227.72/955,840.38 = 188,263.96/x
  3. Step 3: Cross multiply
    637,227.72x = 955,840.38 × 188,263.96
  4. Step 4: Simplify right side
    637,227.72x = 179,950,295,066.71
  5. Step 5: Solve for x
    x = 179,950,295,066.71/637,227.72
  6. Step 6: Final answer
    x = 282,395.59

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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.