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Finding the Fourth Proportional to 576,341.52, 864,512.28 and 295,679.76

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Solution

The fourth proportional to 576,341.52, 864,512.28 and 295,679.76 is: 443,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,341.52 : 864,512.28 = 295,679.76 : x
  2. Step 2: Convert to fraction form
    576,341.52/864,512.28 = 295,679.76/x
  3. Step 3: Cross multiply
    576,341.52x = 864,512.28 × 295,679.76
  4. Step 4: Simplify right side
    576,341.52x = 255,618,783,467.45
  5. Step 5: Solve for x
    x = 255,618,783,467.45/576,341.52
  6. Step 6: Final answer
    x = 443,519.64

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Similar ratio
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1.5x scale

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.