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Finding the Fourth Proportional to 618,515.61, 927,797.93 and 294,225.81

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Solution

The fourth proportional to 618,515.61, 927,797.93 and 294,225.81 is: 441,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,515.61 : 927,797.93 = 294,225.81 : x
  2. Step 2: Convert to fraction form
    618,515.61/927,797.93 = 294,225.81/x
  3. Step 3: Cross multiply
    618,515.61x = 927,797.93 × 294,225.81
  4. Step 4: Simplify right side
    618,515.61x = 272,982,095,999.44
  5. Step 5: Solve for x
    x = 272,982,095,999.44/618,515.61
  6. Step 6: Final answer
    x = 441,350.37

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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.