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Finding the Fourth Proportional to 293,544.75, 440,317.13 and 71,928.75

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Solution

The fourth proportional to 293,544.75, 440,317.13 and 71,928.75 is: 107,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,544.75 : 440,317.13 = 71,928.75 : x
  2. Step 2: Convert to fraction form
    293,544.75/440,317.13 = 71,928.75/x
  3. Step 3: Cross multiply
    293,544.75x = 440,317.13 × 71,928.75
  4. Step 4: Simplify right side
    293,544.75x = 31,671,460,404.84
  5. Step 5: Solve for x
    x = 31,671,460,404.84/293,544.75
  6. Step 6: Final answer
    x = 107,893.13

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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.