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Finding the Fourth Proportional to 559,898.10, 839,847.15 and 335,949.30

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Solution

The fourth proportional to 559,898.10, 839,847.15 and 335,949.30 is: 503,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,898.10 : 839,847.15 = 335,949.30 : x
  2. Step 2: Convert to fraction form
    559,898.10/839,847.15 = 335,949.30/x
  3. Step 3: Cross multiply
    559,898.10x = 839,847.15 × 335,949.30
  4. Step 4: Simplify right side
    559,898.10x = 282,146,062,149.50
  5. Step 5: Solve for x
    x = 282,146,062,149.50/559,898.10
  6. Step 6: Final answer
    x = 503,923.95

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Double scale
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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.