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Finding the Fourth Proportional to 563,208.80, 844,813.20 and 163,862.60

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Solution

The fourth proportional to 563,208.80, 844,813.20 and 163,862.60 is: 245,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,208.80 : 844,813.20 = 163,862.60 : x
  2. Step 2: Convert to fraction form
    563,208.80/844,813.20 = 163,862.60/x
  3. Step 3: Cross multiply
    563,208.80x = 844,813.20 × 163,862.60
  4. Step 4: Simplify right side
    563,208.80x = 138,433,287,466.32
  5. Step 5: Solve for x
    x = 138,433,287,466.32/563,208.80
  6. Step 6: Final answer
    x = 245,793.90

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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.