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Finding the Fourth Proportional to 292,899.22, 439,351.17 and 191,782.51

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Solution

The fourth proportional to 292,899.22, 439,351.17 and 191,782.51 is: 287,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,899.22 : 439,351.17 = 191,782.51 : x
  2. Step 2: Convert to fraction form
    292,899.22/439,351.17 = 191,782.51/x
  3. Step 3: Cross multiply
    292,899.22x = 439,351.17 × 191,782.51
  4. Step 4: Simplify right side
    292,899.22x = 84,259,870,154.04
  5. Step 5: Solve for x
    x = 84,259,870,154.04/292,899.22
  6. Step 6: Final answer
    x = 287,675.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.