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Finding the Fourth Proportional to 794,473.68, 1,191,335.94 and 288,678

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Solution

The fourth proportional to 794,473.68, 1,191,335.94 and 288,678 is: 432,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,473.68 : 1,191,335.94 = 288,678 : x
  2. Step 2: Convert to fraction form
    794,473.68/1,191,335.94 = 288,678/x
  3. Step 3: Cross multiply
    794,473.68x = 1,191,335.94 × 288,678
  4. Step 4: Simplify right side
    794,473.68x = 343,912,476,487.32
  5. Step 5: Solve for x
    x = 343,912,476,487.32/794,473.68
  6. Step 6: Final answer
    x = 432,880.89

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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.