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Finding the Fourth Proportional to 283,562.48, 391,297.91 and 168,849.54

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Solution

The fourth proportional to 283,562.48, 391,297.91 and 168,849.54 is: 233,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,562.48 : 391,297.91 = 168,849.54 : x
  2. Step 2: Convert to fraction form
    283,562.48/391,297.91 = 168,849.54/x
  3. Step 3: Cross multiply
    283,562.48x = 391,297.91 × 168,849.54
  4. Step 4: Simplify right side
    283,562.48x = 66,070,471,262.21
  5. Step 5: Solve for x
    x = 66,070,471,262.21/283,562.48
  6. Step 6: Final answer
    x = 233,001.46

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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.