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Finding the Fourth Proportional to 594,203.20, 890,911.20 and 328,091.20

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Solution

The fourth proportional to 594,203.20, 890,911.20 and 328,091.20 is: 491,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,203.20 : 890,911.20 = 328,091.20 : x
  2. Step 2: Convert to fraction form
    594,203.20/890,911.20 = 328,091.20/x
  3. Step 3: Cross multiply
    594,203.20x = 890,911.20 × 328,091.20
  4. Step 4: Simplify right side
    594,203.20x = 292,300,124,701.44
  5. Step 5: Solve for x
    x = 292,300,124,701.44/594,203.20
  6. Step 6: Final answer
    x = 491,919.47

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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.