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Finding the Fourth Proportional to 468,664.07, 646,755.41 and 253,803.47

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Solution

The fourth proportional to 468,664.07, 646,755.41 and 253,803.47 is: 350,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,664.07 : 646,755.41 = 253,803.47 : x
  2. Step 2: Convert to fraction form
    468,664.07/646,755.41 = 253,803.47/x
  3. Step 3: Cross multiply
    468,664.07x = 646,755.41 × 253,803.47
  4. Step 4: Simplify right side
    468,664.07x = 164,148,762,796.48
  5. Step 5: Solve for x
    x = 164,148,762,796.48/468,664.07
  6. Step 6: Final answer
    x = 350,248.24

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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.