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Finding the Fourth Proportional to 412,149.88, 568,776.18 and 230,875.12

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Solution

The fourth proportional to 412,149.88, 568,776.18 and 230,875.12 is: 318,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,149.88 : 568,776.18 = 230,875.12 : x
  2. Step 2: Convert to fraction form
    412,149.88/568,776.18 = 230,875.12/x
  3. Step 3: Cross multiply
    412,149.88x = 568,776.18 × 230,875.12
  4. Step 4: Simplify right side
    412,149.88x = 131,316,268,810.64
  5. Step 5: Solve for x
    x = 131,316,268,810.64/412,149.88
  6. Step 6: Final answer
    x = 318,612.90

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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.