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Finding the Fourth Proportional to 576,064.77, 863,727.15 and 239,338.05

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Solution

The fourth proportional to 576,064.77, 863,727.15 and 239,338.05 is: 358,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,064.77 : 863,727.15 = 239,338.05 : x
  2. Step 2: Convert to fraction form
    576,064.77/863,727.15 = 239,338.05/x
  3. Step 3: Cross multiply
    576,064.77x = 863,727.15 × 239,338.05
  4. Step 4: Simplify right side
    576,064.77x = 206,722,771,813.06
  5. Step 5: Solve for x
    x = 206,722,771,813.06/576,064.77
  6. Step 6: Final answer
    x = 358,853.35

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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.