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Finding the Fourth Proportional to 519,652.74, 779,501.02 and 164,658.90

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Solution

The fourth proportional to 519,652.74, 779,501.02 and 164,658.90 is: 246,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,652.74 : 779,501.02 = 164,658.90 : x
  2. Step 2: Convert to fraction form
    519,652.74/779,501.02 = 164,658.90/x
  3. Step 3: Cross multiply
    519,652.74x = 779,501.02 × 164,658.90
  4. Step 4: Simplify right side
    519,652.74x = 128,351,780,502.08
  5. Step 5: Solve for x
    x = 128,351,780,502.08/519,652.74
  6. Step 6: Final answer
    x = 246,995.29

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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.