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Finding the Fourth Proportional to 544,061.70, 816,092.55 and 538,812.90

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Solution

The fourth proportional to 544,061.70, 816,092.55 and 538,812.90 is: 808,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.70 : 816,092.55 = 538,812.90 : x
  2. Step 2: Convert to fraction form
    544,061.70/816,092.55 = 538,812.90/x
  3. Step 3: Cross multiply
    544,061.70x = 816,092.55 × 538,812.90
  4. Step 4: Simplify right side
    544,061.70x = 439,721,193,533.90
  5. Step 5: Solve for x
    x = 439,721,193,533.90/544,061.70
  6. Step 6: Final answer
    x = 808,219.35

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Similar ratio
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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.