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Finding the Fourth Proportional to 411,816.59, 568,307.12 and 230,528.87

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Solution

The fourth proportional to 411,816.59, 568,307.12 and 230,528.87 is: 318,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,816.59 : 568,307.12 = 230,528.87 : x
  2. Step 2: Convert to fraction form
    411,816.59/568,307.12 = 230,528.87/x
  3. Step 3: Cross multiply
    411,816.59x = 568,307.12 × 230,528.87
  4. Step 4: Simplify right side
    411,816.59x = 131,011,198,186.55
  5. Step 5: Solve for x
    x = 131,011,198,186.55/411,816.59
  6. Step 6: Final answer
    x = 318,129.97

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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.