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Finding the Fourth Proportional to 293,653.58, 440,480.13 and 83,293.34

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Solution

The fourth proportional to 293,653.58, 440,480.13 and 83,293.34 is: 124,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,653.58 : 440,480.13 = 83,293.34 : x
  2. Step 2: Convert to fraction form
    293,653.58/440,480.13 = 83,293.34/x
  3. Step 3: Cross multiply
    293,653.58x = 440,480.13 × 83,293.34
  4. Step 4: Simplify right side
    293,653.58x = 36,689,061,231.33
  5. Step 5: Solve for x
    x = 36,689,061,231.33/293,653.58
  6. Step 6: Final answer
    x = 124,939.94

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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.