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Finding the Fourth Proportional to 519,884.10, 779,826.15 and 164,925.90

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Solution

The fourth proportional to 519,884.10, 779,826.15 and 164,925.90 is: 247,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,884.10 : 779,826.15 = 164,925.90 : x
  2. Step 2: Convert to fraction form
    519,884.10/779,826.15 = 164,925.90/x
  3. Step 3: Cross multiply
    519,884.10x = 779,826.15 × 164,925.90
  4. Step 4: Simplify right side
    519,884.10x = 128,613,529,632.29
  5. Step 5: Solve for x
    x = 128,613,529,632.29/519,884.10
  6. Step 6: Final answer
    x = 247,388.85

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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.