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Finding the Fourth Proportional to 544,766.32, 817,153.02 and 189,787

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Solution

The fourth proportional to 544,766.32, 817,153.02 and 189,787 is: 284,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,766.32 : 817,153.02 = 189,787 : x
  2. Step 2: Convert to fraction form
    544,766.32/817,153.02 = 189,787/x
  3. Step 3: Cross multiply
    544,766.32x = 817,153.02 × 189,787
  4. Step 4: Simplify right side
    544,766.32x = 155,085,020,206.74
  5. Step 5: Solve for x
    x = 155,085,020,206.74/544,766.32
  6. Step 6: Final answer
    x = 284,681.73

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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.