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Finding the Fourth Proportional to 335,577.78, 502,776.18 and 315,599.54

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Solution

The fourth proportional to 335,577.78, 502,776.18 and 315,599.54 is: 472,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,577.78 : 502,776.18 = 315,599.54 : x
  2. Step 2: Convert to fraction form
    335,577.78/502,776.18 = 315,599.54/x
  3. Step 3: Cross multiply
    335,577.78x = 502,776.18 × 315,599.54
  4. Step 4: Simplify right side
    335,577.78x = 158,675,928,617.08
  5. Step 5: Solve for x
    x = 158,675,928,617.08/335,577.78
  6. Step 6: Final answer
    x = 472,843.97

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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.