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Finding the Fourth Proportional to 322,771.62, 484,156.62 and 98,131.08

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Solution

The fourth proportional to 322,771.62, 484,156.62 and 98,131.08 is: 147,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,771.62 : 484,156.62 = 98,131.08 : x
  2. Step 2: Convert to fraction form
    322,771.62/484,156.62 = 98,131.08/x
  3. Step 3: Cross multiply
    322,771.62x = 484,156.62 × 98,131.08
  4. Step 4: Simplify right side
    322,771.62x = 47,510,812,009.75
  5. Step 5: Solve for x
    x = 47,510,812,009.75/322,771.62
  6. Step 6: Final answer
    x = 147,196.37

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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.