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Finding the Fourth Proportional to 467,134.40, 644,645.34 and 252,274.40

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Solution

The fourth proportional to 467,134.40, 644,645.34 and 252,274.40 is: 348,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,134.40 : 644,645.34 = 252,274.40 : x
  2. Step 2: Convert to fraction form
    467,134.40/644,645.34 = 252,274.40/x
  3. Step 3: Cross multiply
    467,134.40x = 644,645.34 × 252,274.40
  4. Step 4: Simplify right side
    467,134.40x = 162,627,516,361.30
  5. Step 5: Solve for x
    x = 162,627,516,361.30/467,134.40
  6. Step 6: Final answer
    x = 348,138.60

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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.