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Finding the Fourth Proportional to 335,090.40, 502,635.60 and 201,902.10

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Solution

The fourth proportional to 335,090.40, 502,635.60 and 201,902.10 is: 302,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,090.40 : 502,635.60 = 201,902.10 : x
  2. Step 2: Convert to fraction form
    335,090.40/502,635.60 = 201,902.10/x
  3. Step 3: Cross multiply
    335,090.40x = 502,635.60 × 201,902.10
  4. Step 4: Simplify right side
    335,090.40x = 101,483,183,174.76
  5. Step 5: Solve for x
    x = 101,483,183,174.76/335,090.40
  6. Step 6: Final answer
    x = 302,853.15

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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.