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Finding the Fourth Proportional to 270,820.88, 373,728.24 and 149,959.57

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Solution

The fourth proportional to 270,820.88, 373,728.24 and 149,959.57 is: 206,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,820.88 : 373,728.24 = 149,959.57 : x
  2. Step 2: Convert to fraction form
    270,820.88/373,728.24 = 149,959.57/x
  3. Step 3: Cross multiply
    270,820.88x = 373,728.24 × 149,959.57
  4. Step 4: Simplify right side
    270,820.88x = 56,044,124,298.62
  5. Step 5: Solve for x
    x = 56,044,124,298.62/270,820.88
  6. Step 6: Final answer
    x = 206,941.67

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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.