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Finding the Fourth Proportional to 411,995.00, 568,506.12 and 230,681.72

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Solution

The fourth proportional to 411,995.00, 568,506.12 and 230,681.72 is: 318,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,995.00 : 568,506.12 = 230,681.72 : x
  2. Step 2: Convert to fraction form
    411,995.00/568,506.12 = 230,681.72/x
  3. Step 3: Cross multiply
    411,995.00x = 568,506.12 × 230,681.72
  4. Step 4: Simplify right side
    411,995.00x = 131,143,970,148.34
  5. Step 5: Solve for x
    x = 131,143,970,148.34/411,995.00
  6. Step 6: Final answer
    x = 318,314.47

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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.