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Finding the Fourth Proportional to 453,309.15, 679,963.73 and 335,211.15

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Solution

The fourth proportional to 453,309.15, 679,963.73 and 335,211.15 is: 502,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,309.15 : 679,963.73 = 335,211.15 : x
  2. Step 2: Convert to fraction form
    453,309.15/679,963.73 = 335,211.15/x
  3. Step 3: Cross multiply
    453,309.15x = 679,963.73 × 335,211.15
  4. Step 4: Simplify right side
    453,309.15x = 227,931,422,215.53
  5. Step 5: Solve for x
    x = 227,931,422,215.53/453,309.15
  6. Step 6: Final answer
    x = 502,816.73

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.