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Finding the Fourth Proportional to 454,337.39, 626,989.89 and 250,395.67

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Solution

The fourth proportional to 454,337.39, 626,989.89 and 250,395.67 is: 345,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,337.39 : 626,989.89 = 250,395.67 : x
  2. Step 2: Convert to fraction form
    454,337.39/626,989.89 = 250,395.67/x
  3. Step 3: Cross multiply
    454,337.39x = 626,989.89 × 250,395.67
  4. Step 4: Simplify right side
    454,337.39x = 156,995,549,202.85
  5. Step 5: Solve for x
    x = 156,995,549,202.85/454,337.39
  6. Step 6: Final answer
    x = 345,548.38

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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.