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Finding the Fourth Proportional to 657,328.44, 984,481.62 and 417,424.44

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Solution

The fourth proportional to 657,328.44, 984,481.62 and 417,424.44 is: 625,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,328.44 : 984,481.62 = 417,424.44 : x
  2. Step 2: Convert to fraction form
    657,328.44/984,481.62 = 417,424.44/x
  3. Step 3: Cross multiply
    657,328.44x = 984,481.62 × 417,424.44
  4. Step 4: Simplify right side
    657,328.44x = 410,946,688,918.79
  5. Step 5: Solve for x
    x = 410,946,688,918.79/657,328.44
  6. Step 6: Final answer
    x = 625,177.10

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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.