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Finding the Fourth Proportional to 507,006.96, 699,621.03 and 303,017.27

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Solution

The fourth proportional to 507,006.96, 699,621.03 and 303,017.27 is: 418,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,006.96 : 699,621.03 = 303,017.27 : x
  2. Step 2: Convert to fraction form
    507,006.96/699,621.03 = 303,017.27/x
  3. Step 3: Cross multiply
    507,006.96x = 699,621.03 × 303,017.27
  4. Step 4: Simplify right side
    507,006.96x = 211,997,251,047.08
  5. Step 5: Solve for x
    x = 211,997,251,047.08/507,006.96
  6. Step 6: Final answer
    x = 418,134.80

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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.