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Finding the Fourth Proportional to 443,007.81, 611,350.79 and 241,803.81

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Solution

The fourth proportional to 443,007.81, 611,350.79 and 241,803.81 is: 333,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,007.81 : 611,350.79 = 241,803.81 : x
  2. Step 2: Convert to fraction form
    443,007.81/611,350.79 = 241,803.81/x
  3. Step 3: Cross multiply
    443,007.81x = 611,350.79 × 241,803.81
  4. Step 4: Simplify right side
    443,007.81x = 147,826,947,816.27
  5. Step 5: Solve for x
    x = 147,826,947,816.27/443,007.81
  6. Step 6: Final answer
    x = 333,689.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.