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Finding the Fourth Proportional to 344,883.29, 476,071.34 and 259,091.12

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Solution

The fourth proportional to 344,883.29, 476,071.34 and 259,091.12 is: 357,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,883.29 : 476,071.34 = 259,091.12 : x
  2. Step 2: Convert to fraction form
    344,883.29/476,071.34 = 259,091.12/x
  3. Step 3: Cross multiply
    344,883.29x = 476,071.34 × 259,091.12
  4. Step 4: Simplify right side
    344,883.29x = 123,345,856,575.22
  5. Step 5: Solve for x
    x = 123,345,856,575.22/344,883.29
  6. Step 6: Final answer
    x = 357,645.21

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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.