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Finding the Fourth Proportional to 336,309.59, 504,466.21 and 99,654.32

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Solution

The fourth proportional to 336,309.59, 504,466.21 and 99,654.32 is: 149,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,309.59 : 504,466.21 = 99,654.32 : x
  2. Step 2: Convert to fraction form
    336,309.59/504,466.21 = 99,654.32/x
  3. Step 3: Cross multiply
    336,309.59x = 504,466.21 × 99,654.32
  4. Step 4: Simplify right side
    336,309.59x = 50,272,238,132.56
  5. Step 5: Solve for x
    x = 50,272,238,132.56/336,309.59
  6. Step 6: Final answer
    x = 149,482.02

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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.