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Finding the Fourth Proportional to 575,348.25, 863,186.40 and 196,353.30

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Solution

The fourth proportional to 575,348.25, 863,186.40 and 196,353.30 is: 294,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,348.25 : 863,186.40 = 196,353.30 : x
  2. Step 2: Convert to fraction form
    575,348.25/863,186.40 = 196,353.30/x
  3. Step 3: Cross multiply
    575,348.25x = 863,186.40 × 196,353.30
  4. Step 4: Simplify right side
    575,348.25x = 169,489,498,155.12
  5. Step 5: Solve for x
    x = 169,489,498,155.12/575,348.25
  6. Step 6: Final answer
    x = 294,585.93

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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.