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Finding the Fourth Proportional to 544,717.80, 817,076.70 and 376,756.20

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Solution

The fourth proportional to 544,717.80, 817,076.70 and 376,756.20 is: 565,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,717.80 : 817,076.70 = 376,756.20 : x
  2. Step 2: Convert to fraction form
    544,717.80/817,076.70 = 376,756.20/x
  3. Step 3: Cross multiply
    544,717.80x = 817,076.70 × 376,756.20
  4. Step 4: Simplify right side
    544,717.80x = 307,838,712,600.54
  5. Step 5: Solve for x
    x = 307,838,712,600.54/544,717.80
  6. Step 6: Final answer
    x = 565,134.30

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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.