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Finding the Fourth Proportional to 542,733.78, 814,100.69 and 371,786.93

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Solution

The fourth proportional to 542,733.78, 814,100.69 and 371,786.93 is: 557,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,733.78 : 814,100.69 = 371,786.93 : x
  2. Step 2: Convert to fraction form
    542,733.78/814,100.69 = 371,786.93/x
  3. Step 3: Cross multiply
    542,733.78x = 814,100.69 × 371,786.93
  4. Step 4: Simplify right side
    542,733.78x = 302,671,994,066.52
  5. Step 5: Solve for x
    x = 302,671,994,066.52/542,733.78
  6. Step 6: Final answer
    x = 557,680.40

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Similar ratio
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1.5x scale

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.