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Finding the Fourth Proportional to 453,816.90, 679,558.95 and 334,844.10

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Solution

The fourth proportional to 453,816.90, 679,558.95 and 334,844.10 is: 501,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,816.90 : 679,558.95 = 334,844.10 : x
  2. Step 2: Convert to fraction form
    453,816.90/679,558.95 = 334,844.10/x
  3. Step 3: Cross multiply
    453,816.90x = 679,558.95 × 334,844.10
  4. Step 4: Simplify right side
    453,816.90x = 227,546,305,009.70
  5. Step 5: Solve for x
    x = 227,546,305,009.70/453,816.90
  6. Step 6: Final answer
    x = 501,405.53

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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.