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Finding the Fourth Proportional to 335,152.80, 502,445.97 and 145,469.70

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Solution

The fourth proportional to 335,152.80, 502,445.97 and 145,469.70 is: 218,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,152.80 : 502,445.97 = 145,469.70 : x
  2. Step 2: Convert to fraction form
    335,152.80/502,445.97 = 145,469.70/x
  3. Step 3: Cross multiply
    335,152.80x = 502,445.97 × 145,469.70
  4. Step 4: Simplify right side
    335,152.80x = 73,090,664,522.11
  5. Step 5: Solve for x
    x = 73,090,664,522.11/335,152.80
  6. Step 6: Final answer
    x = 218,081.62

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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.