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Finding the Fourth Proportional to 335,054.20, 502,605.60 and 201,647.20

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Solution

The fourth proportional to 335,054.20, 502,605.60 and 201,647.20 is: 302,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,054.20 : 502,605.60 = 201,647.20 : x
  2. Step 2: Convert to fraction form
    335,054.20/502,605.60 = 201,647.20/x
  3. Step 3: Cross multiply
    335,054.20x = 502,605.60 × 201,647.20
  4. Step 4: Simplify right side
    335,054.20x = 101,349,011,944.32
  5. Step 5: Solve for x
    x = 101,349,011,944.32/335,054.20
  6. Step 6: Final answer
    x = 302,485.42

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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.