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Finding the Fourth Proportional to 576,719.58, 864,535.05 and 277,369.50

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Solution

The fourth proportional to 576,719.58, 864,535.05 and 277,369.50 is: 415,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,719.58 : 864,535.05 = 277,369.50 : x
  2. Step 2: Convert to fraction form
    576,719.58/864,535.05 = 277,369.50/x
  3. Step 3: Cross multiply
    576,719.58x = 864,535.05 × 277,369.50
  4. Step 4: Simplify right side
    576,719.58x = 239,795,654,550.98
  5. Step 5: Solve for x
    x = 239,795,654,550.98/576,719.58
  6. Step 6: Final answer
    x = 415,792.46

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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.