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Finding the Fourth Proportional to 415,309.52, 623,499.96 and 356,522.96

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Solution

The fourth proportional to 415,309.52, 623,499.96 and 356,522.96 is: 535,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,309.52 : 623,499.96 = 356,522.96 : x
  2. Step 2: Convert to fraction form
    415,309.52/623,499.96 = 356,522.96/x
  3. Step 3: Cross multiply
    415,309.52x = 623,499.96 × 356,522.96
  4. Step 4: Simplify right side
    415,309.52x = 222,292,051,299.08
  5. Step 5: Solve for x
    x = 222,292,051,299.08/415,309.52
  6. Step 6: Final answer
    x = 535,244.30

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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.