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Finding the Fourth Proportional to 468,080.99, 702,150.66 and 187,561.79

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Solution

The fourth proportional to 468,080.99, 702,150.66 and 187,561.79 is: 281,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,080.99 : 702,150.66 = 187,561.79 : x
  2. Step 2: Convert to fraction form
    468,080.99/702,150.66 = 187,561.79/x
  3. Step 3: Cross multiply
    468,080.99x = 702,150.66 × 187,561.79
  4. Step 4: Simplify right side
    468,080.99x = 131,696,634,639.28
  5. Step 5: Solve for x
    x = 131,696,634,639.28/468,080.99
  6. Step 6: Final answer
    x = 281,354.38

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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.