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Finding the Fourth Proportional to 343,216.72, 473,619.72 and 200,000.08

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Solution

The fourth proportional to 343,216.72, 473,619.72 and 200,000.08 is: 275,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,216.72 : 473,619.72 = 200,000.08 : x
  2. Step 2: Convert to fraction form
    343,216.72/473,619.72 = 200,000.08/x
  3. Step 3: Cross multiply
    343,216.72x = 473,619.72 × 200,000.08
  4. Step 4: Simplify right side
    343,216.72x = 94,723,981,889.58
  5. Step 5: Solve for x
    x = 94,723,981,889.58/343,216.72
  6. Step 6: Final answer
    x = 275,988.83

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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.