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Finding the Fourth Proportional to 576,234.88, 795,244.32 and 321,590.24

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Solution

The fourth proportional to 576,234.88, 795,244.32 and 321,590.24 is: 443,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,234.88 : 795,244.32 = 321,590.24 : x
  2. Step 2: Convert to fraction form
    576,234.88/795,244.32 = 321,590.24/x
  3. Step 3: Cross multiply
    576,234.88x = 795,244.32 × 321,590.24
  4. Step 4: Simplify right side
    576,234.88x = 255,742,811,727.44
  5. Step 5: Solve for x
    x = 255,742,811,727.44/576,234.88
  6. Step 6: Final answer
    x = 443,816.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.