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Finding the Fourth Proportional to 250,284.73, 344,525.16 and 218,398.27

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Solution

The fourth proportional to 250,284.73, 344,525.16 and 218,398.27 is: 300,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,284.73 : 344,525.16 = 218,398.27 : x
  2. Step 2: Convert to fraction form
    250,284.73/344,525.16 = 218,398.27/x
  3. Step 3: Cross multiply
    250,284.73x = 344,525.16 × 218,398.27
  4. Step 4: Simplify right side
    250,284.73x = 75,243,698,915.47
  5. Step 5: Solve for x
    x = 75,243,698,915.47/250,284.73
  6. Step 6: Final answer
    x = 300,632.40

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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.