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Finding the Fourth Proportional to 544,732.32, 817,120.44 and 189,782.28

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Solution

The fourth proportional to 544,732.32, 817,120.44 and 189,782.28 is: 284,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,732.32 : 817,120.44 = 189,782.28 : x
  2. Step 2: Convert to fraction form
    544,732.32/817,120.44 = 189,782.28/x
  3. Step 3: Cross multiply
    544,732.32x = 817,120.44 × 189,782.28
  4. Step 4: Simplify right side
    544,732.32x = 155,074,980,137.80
  5. Step 5: Solve for x
    x = 155,074,980,137.80/544,732.32
  6. Step 6: Final answer
    x = 284,681.07

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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.