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Finding the Fourth Proportional to 334,647.91, 501,436.73 and 300,657.83

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Solution

The fourth proportional to 334,647.91, 501,436.73 and 300,657.83 is: 450,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,647.91 : 501,436.73 = 300,657.83 : x
  2. Step 2: Convert to fraction form
    334,647.91/501,436.73 = 300,657.83/x
  3. Step 3: Cross multiply
    334,647.91x = 501,436.73 × 300,657.83
  4. Step 4: Simplify right side
    334,647.91x = 150,760,875,677.36
  5. Step 5: Solve for x
    x = 150,760,875,677.36/334,647.91
  6. Step 6: Final answer
    x = 450,505.96

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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.