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Finding the Fourth Proportional to 535,642.01, 739,532.24 and 331,909.13

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Solution

The fourth proportional to 535,642.01, 739,532.24 and 331,909.13 is: 458,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,642.01 : 739,532.24 = 331,909.13 : x
  2. Step 2: Convert to fraction form
    535,642.01/739,532.24 = 331,909.13/x
  3. Step 3: Cross multiply
    535,642.01x = 739,532.24 × 331,909.13
  4. Step 4: Simplify right side
    535,642.01x = 245,457,502,385.35
  5. Step 5: Solve for x
    x = 245,457,502,385.35/535,642.01
  6. Step 6: Final answer
    x = 458,249.16

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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.