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Finding the Fourth Proportional to 501,649.47, 692,230.46 and 297,665.28

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Solution

The fourth proportional to 501,649.47, 692,230.46 and 297,665.28 is: 410,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,649.47 : 692,230.46 = 297,665.28 : x
  2. Step 2: Convert to fraction form
    501,649.47/692,230.46 = 297,665.28/x
  3. Step 3: Cross multiply
    501,649.47x = 692,230.46 × 297,665.28
  4. Step 4: Simplify right side
    501,649.47x = 206,052,972,212.10
  5. Step 5: Solve for x
    x = 206,052,972,212.10/501,649.47
  6. Step 6: Final answer
    x = 410,750.90

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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.