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Finding the Fourth Proportional to 286,299.22, 429,446.08 and 174,010.42

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Solution

The fourth proportional to 286,299.22, 429,446.08 and 174,010.42 is: 261,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,299.22 : 429,446.08 = 174,010.42 : x
  2. Step 2: Convert to fraction form
    286,299.22/429,446.08 = 174,010.42/x
  3. Step 3: Cross multiply
    286,299.22x = 429,446.08 × 174,010.42
  4. Step 4: Simplify right side
    286,299.22x = 74,728,092,748.15
  5. Step 5: Solve for x
    x = 74,728,092,748.15/286,299.22
  6. Step 6: Final answer
    x = 261,013.96

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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.