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Finding the Fourth Proportional to 353,051.60, 529,804.20 and 195,393.20

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Solution

The fourth proportional to 353,051.60, 529,804.20 and 195,393.20 is: 293,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,051.60 : 529,804.20 = 195,393.20 : x
  2. Step 2: Convert to fraction form
    353,051.60/529,804.20 = 195,393.20/x
  3. Step 3: Cross multiply
    353,051.60x = 529,804.20 × 195,393.20
  4. Step 4: Simplify right side
    353,051.60x = 103,520,138,011.44
  5. Step 5: Solve for x
    x = 103,520,138,011.44/353,051.60
  6. Step 6: Final answer
    x = 293,215.32

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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.