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Finding the Fourth Proportional to 352,892.59, 529,041.31 and 153,062.47

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Solution

The fourth proportional to 352,892.59, 529,041.31 and 153,062.47 is: 229,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,892.59 : 529,041.31 = 153,062.47 : x
  2. Step 2: Convert to fraction form
    352,892.59/529,041.31 = 153,062.47/x
  3. Step 3: Cross multiply
    352,892.59x = 529,041.31 × 153,062.47
  4. Step 4: Simplify right side
    352,892.59x = 80,976,369,640.64
  5. Step 5: Solve for x
    x = 80,976,369,640.64/352,892.59
  6. Step 6: Final answer
    x = 229,464.64

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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.