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Finding the Fourth Proportional to 293,479.52, 440,282.40 and 91,071.44

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Solution

The fourth proportional to 293,479.52, 440,282.40 and 91,071.44 is: 136,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,479.52 : 440,282.40 = 91,071.44 : x
  2. Step 2: Convert to fraction form
    293,479.52/440,282.40 = 91,071.44/x
  3. Step 3: Cross multiply
    293,479.52x = 440,282.40 × 91,071.44
  4. Step 4: Simplify right side
    293,479.52x = 40,097,152,174.66
  5. Step 5: Solve for x
    x = 40,097,152,174.66/293,479.52
  6. Step 6: Final answer
    x = 136,626.75

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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.