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Finding the Fourth Proportional to 519,869.44, 779,797.95 and 164,886.49

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Solution

The fourth proportional to 519,869.44, 779,797.95 and 164,886.49 is: 247,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,869.44 : 779,797.95 = 164,886.49 : x
  2. Step 2: Convert to fraction form
    519,869.44/779,797.95 = 164,886.49/x
  3. Step 3: Cross multiply
    519,869.44x = 779,797.95 × 164,886.49
  4. Step 4: Simplify right side
    519,869.44x = 128,578,146,884.70
  5. Step 5: Solve for x
    x = 128,578,146,884.70/519,869.44
  6. Step 6: Final answer
    x = 247,327.77

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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.