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Finding the Fourth Proportional to 576,174.30, 864,261.45 and 376,719.90

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Solution

The fourth proportional to 576,174.30, 864,261.45 and 376,719.90 is: 565,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,174.30 : 864,261.45 = 376,719.90 : x
  2. Step 2: Convert to fraction form
    576,174.30/864,261.45 = 376,719.90/x
  3. Step 3: Cross multiply
    576,174.30x = 864,261.45 × 376,719.90
  4. Step 4: Simplify right side
    576,174.30x = 325,584,487,017.86
  5. Step 5: Solve for x
    x = 325,584,487,017.86/576,174.30
  6. Step 6: Final answer
    x = 565,079.85

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Similar ratio
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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.