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Finding the Fourth Proportional to 542,843.34, 749,063.34 and 301,065.33

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Solution

The fourth proportional to 542,843.34, 749,063.34 and 301,065.33 is: 415,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,843.34 : 749,063.34 = 301,065.33 : x
  2. Step 2: Convert to fraction form
    542,843.34/749,063.34 = 301,065.33/x
  3. Step 3: Cross multiply
    542,843.34x = 749,063.34 × 301,065.33
  4. Step 4: Simplify right side
    542,843.34x = 225,517,001,648.00
  5. Step 5: Solve for x
    x = 225,517,001,648.00/542,843.34
  6. Step 6: Final answer
    x = 415,436.62

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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.