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Finding the Fourth Proportional to 519,950.52, 779,923.72 and 164,992.22

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Solution

The fourth proportional to 519,950.52, 779,923.72 and 164,992.22 is: 247,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,950.52 : 779,923.72 = 164,992.22 : x
  2. Step 2: Convert to fraction form
    519,950.52/779,923.72 = 164,992.22/x
  3. Step 3: Cross multiply
    519,950.52x = 779,923.72 × 164,992.22
  4. Step 4: Simplify right side
    519,950.52x = 128,681,345,993.46
  5. Step 5: Solve for x
    x = 128,681,345,993.46/519,950.52
  6. Step 6: Final answer
    x = 247,487.68

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1.5x scale

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.