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Finding the Fourth Proportional to 343,227.76, 473,634.88 and 200,011.12

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Solution

The fourth proportional to 343,227.76, 473,634.88 and 200,011.12 is: 276,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,227.76 : 473,634.88 = 200,011.12 : x
  2. Step 2: Convert to fraction form
    343,227.76/473,634.88 = 200,011.12/x
  3. Step 3: Cross multiply
    343,227.76x = 473,634.88 × 200,011.12
  4. Step 4: Simplify right side
    343,227.76x = 94,732,242,819.87
  5. Step 5: Solve for x
    x = 94,732,242,819.87/343,227.76
  6. Step 6: Final answer
    x = 276,004.02

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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.