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Finding the Fourth Proportional to 335,017.65, 502,518.57 and 82,297.72

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Solution

The fourth proportional to 335,017.65, 502,518.57 and 82,297.72 is: 123,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,017.65 : 502,518.57 = 82,297.72 : x
  2. Step 2: Convert to fraction form
    335,017.65/502,518.57 = 82,297.72/x
  3. Step 3: Cross multiply
    335,017.65x = 502,518.57 × 82,297.72
  4. Step 4: Simplify right side
    335,017.65x = 41,356,133,235.39
  5. Step 5: Solve for x
    x = 41,356,133,235.39/335,017.65
  6. Step 6: Final answer
    x = 123,444.64

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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.