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Finding the Fourth Proportional to 335,153.60, 502,438.80 and 201,892.40

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Solution

The fourth proportional to 335,153.60, 502,438.80 and 201,892.40 is: 302,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,153.60 : 502,438.80 = 201,892.40 : x
  2. Step 2: Convert to fraction form
    335,153.60/502,438.80 = 201,892.40/x
  3. Step 3: Cross multiply
    335,153.60x = 502,438.80 × 201,892.40
  4. Step 4: Simplify right side
    335,153.60x = 101,438,575,185.12
  5. Step 5: Solve for x
    x = 101,438,575,185.12/335,153.60
  6. Step 6: Final answer
    x = 302,662.94

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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.