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Finding the Fourth Proportional to 497,563.72, 686,095.31 and 336,138.48

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Solution

The fourth proportional to 497,563.72, 686,095.31 and 336,138.48 is: 463,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,563.72 : 686,095.31 = 336,138.48 : x
  2. Step 2: Convert to fraction form
    497,563.72/686,095.31 = 336,138.48/x
  3. Step 3: Cross multiply
    497,563.72x = 686,095.31 × 336,138.48
  4. Step 4: Simplify right side
    497,563.72x = 230,623,032,957.84
  5. Step 5: Solve for x
    x = 230,623,032,957.84/497,563.72
  6. Step 6: Final answer
    x = 463,504.52

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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.