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Finding the Fourth Proportional to 336,656.70, 505,260.45 and 334,032.30

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Solution

The fourth proportional to 336,656.70, 505,260.45 and 334,032.30 is: 501,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,656.70 : 505,260.45 = 334,032.30 : x
  2. Step 2: Convert to fraction form
    336,656.70/505,260.45 = 334,032.30/x
  3. Step 3: Cross multiply
    336,656.70x = 505,260.45 × 334,032.30
  4. Step 4: Simplify right side
    336,656.70x = 168,773,310,212.54
  5. Step 5: Solve for x
    x = 168,773,310,212.54/336,656.70
  6. Step 6: Final answer
    x = 501,321.70

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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.