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Finding the Fourth Proportional to 559,311.92, 771,525.84 and 352,499.28

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Solution

The fourth proportional to 559,311.92, 771,525.84 and 352,499.28 is: 486,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,311.92 : 771,525.84 = 352,499.28 : x
  2. Step 2: Convert to fraction form
    559,311.92/771,525.84 = 352,499.28/x
  3. Step 3: Cross multiply
    559,311.92x = 771,525.84 × 352,499.28
  4. Step 4: Simplify right side
    559,311.92x = 271,962,303,101.40
  5. Step 5: Solve for x
    x = 271,962,303,101.40/559,311.92
  6. Step 6: Final answer
    x = 486,244.43

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Similar ratio
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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.