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Finding the Fourth Proportional to 551,433.98, 761,174.44 and 333,653.90

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Solution

The fourth proportional to 551,433.98, 761,174.44 and 333,653.90 is: 460,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,433.98 : 761,174.44 = 333,653.90 : x
  2. Step 2: Convert to fraction form
    551,433.98/761,174.44 = 333,653.90/x
  3. Step 3: Cross multiply
    551,433.98x = 761,174.44 × 333,653.90
  4. Step 4: Simplify right side
    551,433.98x = 253,968,815,846.31
  5. Step 5: Solve for x
    x = 253,968,815,846.31/551,433.98
  6. Step 6: Final answer
    x = 460,560.69

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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.