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Finding the Fourth Proportional to 504,419.40, 756,922.32 and 189,096.12

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Solution

The fourth proportional to 504,419.40, 756,922.32 and 189,096.12 is: 283,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,419.40 : 756,922.32 = 189,096.12 : x
  2. Step 2: Convert to fraction form
    504,419.40/756,922.32 = 189,096.12/x
  3. Step 3: Cross multiply
    504,419.40x = 756,922.32 × 189,096.12
  4. Step 4: Simplify right side
    504,419.40x = 143,131,073,853.40
  5. Step 5: Solve for x
    x = 143,131,073,853.40/504,419.40
  6. Step 6: Final answer
    x = 283,754.10

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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.