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Finding the Fourth Proportional to 411,998.19, 568,510.52 and 230,684.91

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Solution

The fourth proportional to 411,998.19, 568,510.52 and 230,684.91 is: 318,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,998.19 : 568,510.52 = 230,684.91 : x
  2. Step 2: Convert to fraction form
    411,998.19/568,510.52 = 230,684.91/x
  3. Step 3: Cross multiply
    411,998.19x = 568,510.52 × 230,684.91
  4. Step 4: Simplify right side
    411,998.19x = 131,146,796,986.83
  5. Step 5: Solve for x
    x = 131,146,796,986.83/411,998.19
  6. Step 6: Final answer
    x = 318,318.87

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Half scale
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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.