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Finding the Fourth Proportional to 554,144.88, 831,217.32 and 254,877.17

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Solution

The fourth proportional to 554,144.88, 831,217.32 and 254,877.17 is: 382,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,144.88 : 831,217.32 = 254,877.17 : x
  2. Step 2: Convert to fraction form
    554,144.88/831,217.32 = 254,877.17/x
  3. Step 3: Cross multiply
    554,144.88x = 831,217.32 × 254,877.17
  4. Step 4: Simplify right side
    554,144.88x = 211,858,313,303.66
  5. Step 5: Solve for x
    x = 211,858,313,303.66/554,144.88
  6. Step 6: Final answer
    x = 382,315.75

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Similar ratio
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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.