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Finding the Fourth Proportional to 454,115.50, 626,698.83 and 252,911.50

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Solution

The fourth proportional to 454,115.50, 626,698.83 and 252,911.50 is: 349,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,115.50 : 626,698.83 = 252,911.50 : x
  2. Step 2: Convert to fraction form
    454,115.50/626,698.83 = 252,911.50/x
  3. Step 3: Cross multiply
    454,115.50x = 626,698.83 × 252,911.50
  4. Step 4: Simplify right side
    454,115.50x = 158,499,341,143.55
  5. Step 5: Solve for x
    x = 158,499,341,143.55/454,115.50
  6. Step 6: Final answer
    x = 349,028.70

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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.