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Finding the Fourth Proportional to 296,047.83, 408,521.32 and 166,979.19

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Solution

The fourth proportional to 296,047.83, 408,521.32 and 166,979.19 is: 230,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,047.83 : 408,521.32 = 166,979.19 : x
  2. Step 2: Convert to fraction form
    296,047.83/408,521.32 = 166,979.19/x
  3. Step 3: Cross multiply
    296,047.83x = 408,521.32 × 166,979.19
  4. Step 4: Simplify right side
    296,047.83x = 68,214,559,111.33
  5. Step 5: Solve for x
    x = 68,214,559,111.33/296,047.83
  6. Step 6: Final answer
    x = 230,417.36

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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.