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Finding the Fourth Proportional to 297,486.72, 410,691.60 and 229,354.92

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Solution

The fourth proportional to 297,486.72, 410,691.60 and 229,354.92 is: 316,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,486.72 : 410,691.60 = 229,354.92 : x
  2. Step 2: Convert to fraction form
    297,486.72/410,691.60 = 229,354.92/x
  3. Step 3: Cross multiply
    297,486.72x = 410,691.60 × 229,354.92
  4. Step 4: Simplify right side
    297,486.72x = 94,194,139,062.67
  5. Step 5: Solve for x
    x = 94,194,139,062.67/297,486.72
  6. Step 6: Final answer
    x = 316,633.09

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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.