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Finding the Fourth Proportional to 528,102.99, 792,369.81 and 191,179.24

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Solution

The fourth proportional to 528,102.99, 792,369.81 and 191,179.24 is: 286,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,102.99 : 792,369.81 = 191,179.24 : x
  2. Step 2: Convert to fraction form
    528,102.99/792,369.81 = 191,179.24/x
  3. Step 3: Cross multiply
    528,102.99x = 792,369.81 × 191,179.24
  4. Step 4: Simplify right side
    528,102.99x = 151,484,656,093.82
  5. Step 5: Solve for x
    x = 151,484,656,093.82/528,102.99
  6. Step 6: Final answer
    x = 286,846.81

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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.