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Finding the Fourth Proportional to 363,899.34, 502,184.49 and 200,561.67

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Solution

The fourth proportional to 363,899.34, 502,184.49 and 200,561.67 is: 276,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,899.34 : 502,184.49 = 200,561.67 : x
  2. Step 2: Convert to fraction form
    363,899.34/502,184.49 = 200,561.67/x
  3. Step 3: Cross multiply
    363,899.34x = 502,184.49 × 200,561.67
  4. Step 4: Simplify right side
    363,899.34x = 100,718,959,962.50
  5. Step 5: Solve for x
    x = 100,718,959,962.50/363,899.34
  6. Step 6: Final answer
    x = 276,776.98

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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.