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Finding the Fourth Proportional to 297,489.72, 410,695.74 and 229,357.92

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Solution

The fourth proportional to 297,489.72, 410,695.74 and 229,357.92 is: 316,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,489.72 : 410,695.74 = 229,357.92 : x
  2. Step 2: Convert to fraction form
    297,489.72/410,695.74 = 229,357.92/x
  3. Step 3: Cross multiply
    297,489.72x = 410,695.74 × 229,357.92
  4. Step 4: Simplify right side
    297,489.72x = 94,196,320,679.26
  5. Step 5: Solve for x
    x = 94,196,320,679.26/297,489.72
  6. Step 6: Final answer
    x = 316,637.23

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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.