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Finding the Fourth Proportional to 536,908.50, 740,642.13 and 332,890.56

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Solution

The fourth proportional to 536,908.50, 740,642.13 and 332,890.56 is: 459,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,908.50 : 740,642.13 = 332,890.56 : x
  2. Step 2: Convert to fraction form
    536,908.50/740,642.13 = 332,890.56/x
  3. Step 3: Cross multiply
    536,908.50x = 740,642.13 × 332,890.56
  4. Step 4: Simplify right side
    536,908.50x = 246,552,773,415.29
  5. Step 5: Solve for x
    x = 246,552,773,415.29/536,908.50
  6. Step 6: Final answer
    x = 459,208.18

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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.