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Finding the Fourth Proportional to 250,681.33, 376,260.69 and 155,623.78

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Solution

The fourth proportional to 250,681.33, 376,260.69 and 155,623.78 is: 233,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,681.33 : 376,260.69 = 155,623.78 : x
  2. Step 2: Convert to fraction form
    250,681.33/376,260.69 = 155,623.78/x
  3. Step 3: Cross multiply
    250,681.33x = 376,260.69 × 155,623.78
  4. Step 4: Simplify right side
    250,681.33x = 58,555,110,843.21
  5. Step 5: Solve for x
    x = 58,555,110,843.21/250,681.33
  6. Step 6: Final answer
    x = 233,583.85

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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.