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Finding the Fourth Proportional to 250,425.86, 375,638.79 and 151,722.50

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Solution

The fourth proportional to 250,425.86, 375,638.79 and 151,722.50 is: 227,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.86 : 375,638.79 = 151,722.50 : x
  2. Step 2: Convert to fraction form
    250,425.86/375,638.79 = 151,722.50/x
  3. Step 3: Cross multiply
    250,425.86x = 375,638.79 × 151,722.50
  4. Step 4: Simplify right side
    250,425.86x = 56,992,856,315.78
  5. Step 5: Solve for x
    x = 56,992,856,315.78/250,425.86
  6. Step 6: Final answer
    x = 227,583.75

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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.