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Finding the Fourth Proportional to 544,894.71, 816,899.18 and 190,157.84

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Solution

The fourth proportional to 544,894.71, 816,899.18 and 190,157.84 is: 285,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,894.71 : 816,899.18 = 190,157.84 : x
  2. Step 2: Convert to fraction form
    544,894.71/816,899.18 = 190,157.84/x
  3. Step 3: Cross multiply
    544,894.71x = 816,899.18 × 190,157.84
  4. Step 4: Simplify right side
    544,894.71x = 155,339,783,566.57
  5. Step 5: Solve for x
    x = 155,339,783,566.57/544,894.71
  6. Step 6: Final answer
    x = 285,082.20

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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.