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Finding the Fourth Proportional to 575,842.80, 863,375.40 and 295,129.20

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Solution

The fourth proportional to 575,842.80, 863,375.40 and 295,129.20 is: 442,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,842.80 : 863,375.40 = 295,129.20 : x
  2. Step 2: Convert to fraction form
    575,842.80/863,375.40 = 295,129.20/x
  3. Step 3: Cross multiply
    575,842.80x = 863,375.40 × 295,129.20
  4. Step 4: Simplify right side
    575,842.80x = 254,807,291,101.68
  5. Step 5: Solve for x
    x = 254,807,291,101.68/575,842.80
  6. Step 6: Final answer
    x = 442,494.53

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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.