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Finding the Fourth Proportional to 383,726.16, 575,343.14 and 159,241.55

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Solution

The fourth proportional to 383,726.16, 575,343.14 and 159,241.55 is: 238,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,726.16 : 575,343.14 = 159,241.55 : x
  2. Step 2: Convert to fraction form
    383,726.16/575,343.14 = 159,241.55/x
  3. Step 3: Cross multiply
    383,726.16x = 575,343.14 × 159,241.55
  4. Step 4: Simplify right side
    383,726.16x = 91,618,529,722.54
  5. Step 5: Solve for x
    x = 91,618,529,722.54/383,726.16
  6. Step 6: Final answer
    x = 238,760.19

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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.