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Finding the Fourth Proportional to 293,122.95, 404,609.48 and 172,300.08

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Solution

The fourth proportional to 293,122.95, 404,609.48 and 172,300.08 is: 237,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,122.95 : 404,609.48 = 172,300.08 : x
  2. Step 2: Convert to fraction form
    293,122.95/404,609.48 = 172,300.08/x
  3. Step 3: Cross multiply
    293,122.95x = 404,609.48 × 172,300.08
  4. Step 4: Simplify right side
    293,122.95x = 69,714,244,911.26
  5. Step 5: Solve for x
    x = 69,714,244,911.26/293,122.95
  6. Step 6: Final answer
    x = 237,832.78

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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.