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Finding the Fourth Proportional to 315,234.27, 473,173.06 and 230,743.47

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Solution

The fourth proportional to 315,234.27, 473,173.06 and 230,743.47 is: 346,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,234.27 : 473,173.06 = 230,743.47 : x
  2. Step 2: Convert to fraction form
    315,234.27/473,173.06 = 230,743.47/x
  3. Step 3: Cross multiply
    315,234.27x = 473,173.06 × 230,743.47
  4. Step 4: Simplify right side
    315,234.27x = 109,181,593,774.92
  5. Step 5: Solve for x
    x = 109,181,593,774.92/315,234.27
  6. Step 6: Final answer
    x = 346,350.65

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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.