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Finding the Fourth Proportional to 484,417.92, 725,576.64 and 234,576

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Solution

The fourth proportional to 484,417.92, 725,576.64 and 234,576 is: 351,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,417.92 : 725,576.64 = 234,576 : x
  2. Step 2: Convert to fraction form
    484,417.92/725,576.64 = 234,576/x
  3. Step 3: Cross multiply
    484,417.92x = 725,576.64 × 234,576
  4. Step 4: Simplify right side
    484,417.92x = 170,202,865,904.64
  5. Step 5: Solve for x
    x = 170,202,865,904.64/484,417.92
  6. Step 6: Final answer
    x = 351,355.43

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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.