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Finding the Fourth Proportional to 352,892.65, 529,041.36 and 153,062.50

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Solution

The fourth proportional to 352,892.65, 529,041.36 and 153,062.50 is: 229,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,892.65 : 529,041.36 = 153,062.50 : x
  2. Step 2: Convert to fraction form
    352,892.65/529,041.36 = 153,062.50/x
  3. Step 3: Cross multiply
    352,892.65x = 529,041.36 × 153,062.50
  4. Step 4: Simplify right side
    352,892.65x = 80,976,393,165
  5. Step 5: Solve for x
    x = 80,976,393,165/352,892.65
  6. Step 6: Final answer
    x = 229,464.66

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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.