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Finding the Fourth Proportional to 895,791.88, 1,236,192.82 and 493,383.88

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Solution

The fourth proportional to 895,791.88, 1,236,192.82 and 493,383.88 is: 680,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,791.88 : 1,236,192.82 = 493,383.88 : x
  2. Step 2: Convert to fraction form
    895,791.88/1,236,192.82 = 493,383.88/x
  3. Step 3: Cross multiply
    895,791.88x = 1,236,192.82 × 493,383.88
  4. Step 4: Simplify right side
    895,791.88x = 609,917,609,959.74
  5. Step 5: Solve for x
    x = 609,917,609,959.74/895,791.88
  6. Step 6: Final answer
    x = 680,869.77

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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.