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Finding the Fourth Proportional to 335,469.60, 502,329.60 and 264,902.40

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Solution

The fourth proportional to 335,469.60, 502,329.60 and 264,902.40 is: 396,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,469.60 : 502,329.60 = 264,902.40 : x
  2. Step 2: Convert to fraction form
    335,469.60/502,329.60 = 264,902.40/x
  3. Step 3: Cross multiply
    335,469.60x = 502,329.60 × 264,902.40
  4. Step 4: Simplify right side
    335,469.60x = 133,068,316,631.04
  5. Step 5: Solve for x
    x = 133,068,316,631.04/335,469.60
  6. Step 6: Final answer
    x = 396,662.82

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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.