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Finding the Fourth Proportional to 296,047.91, 408,521.45 and 166,979.27

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Solution

The fourth proportional to 296,047.91, 408,521.45 and 166,979.27 is: 230,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,047.91 : 408,521.45 = 166,979.27 : x
  2. Step 2: Convert to fraction form
    296,047.91/408,521.45 = 166,979.27/x
  3. Step 3: Cross multiply
    296,047.91x = 408,521.45 × 166,979.27
  4. Step 4: Simplify right side
    296,047.91x = 68,214,610,622.84
  5. Step 5: Solve for x
    x = 68,214,610,622.84/296,047.91
  6. Step 6: Final answer
    x = 230,417.47

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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.