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Finding the Fourth Proportional to 544,087.28, 816,129.80 and 144,728.48

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Solution

The fourth proportional to 544,087.28, 816,129.80 and 144,728.48 is: 217,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,087.28 : 816,129.80 = 144,728.48 : x
  2. Step 2: Convert to fraction form
    544,087.28/816,129.80 = 144,728.48/x
  3. Step 3: Cross multiply
    544,087.28x = 816,129.80 × 144,728.48
  4. Step 4: Simplify right side
    544,087.28x = 118,117,225,436.70
  5. Step 5: Solve for x
    x = 118,117,225,436.70/544,087.28
  6. Step 6: Final answer
    x = 217,092.42

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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.