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Finding the Fourth Proportional to 803,992.94, 1,109,460.53 and 441,414.75

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Solution

The fourth proportional to 803,992.94, 1,109,460.53 and 441,414.75 is: 609,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,992.94 : 1,109,460.53 = 441,414.75 : x
  2. Step 2: Convert to fraction form
    803,992.94/1,109,460.53 = 441,414.75/x
  3. Step 3: Cross multiply
    803,992.94x = 1,109,460.53 × 441,414.75
  4. Step 4: Simplify right side
    803,992.94x = 489,732,240,277.74
  5. Step 5: Solve for x
    x = 489,732,240,277.74/803,992.94
  6. Step 6: Final answer
    x = 609,125.05

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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.