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Finding the Fourth Proportional to 507,342.69, 700,131.17 and 292,481.73

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Solution

The fourth proportional to 507,342.69, 700,131.17 and 292,481.73 is: 403,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,342.69 : 700,131.17 = 292,481.73 : x
  2. Step 2: Convert to fraction form
    507,342.69/700,131.17 = 292,481.73/x
  3. Step 3: Cross multiply
    507,342.69x = 700,131.17 × 292,481.73
  4. Step 4: Simplify right side
    507,342.69x = 204,775,574,366.12
  5. Step 5: Solve for x
    x = 204,775,574,366.12/507,342.69
  6. Step 6: Final answer
    x = 403,623.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.