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Finding the Fourth Proportional to 531,219.43, 733,008.85 and 298,613.49

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Solution

The fourth proportional to 531,219.43, 733,008.85 and 298,613.49 is: 412,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,219.43 : 733,008.85 = 298,613.49 : x
  2. Step 2: Convert to fraction form
    531,219.43/733,008.85 = 298,613.49/x
  3. Step 3: Cross multiply
    531,219.43x = 733,008.85 × 298,613.49
  4. Step 4: Simplify right side
    531,219.43x = 218,886,330,899.39
  5. Step 5: Solve for x
    x = 218,886,330,899.39/531,219.43
  6. Step 6: Final answer
    x = 412,045.04

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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.