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Finding the Fourth Proportional to 352,807.72, 529,300.68 and 153,079.54

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Solution

The fourth proportional to 352,807.72, 529,300.68 and 153,079.54 is: 229,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,807.72 : 529,300.68 = 153,079.54 : x
  2. Step 2: Convert to fraction form
    352,807.72/529,300.68 = 153,079.54/x
  3. Step 3: Cross multiply
    352,807.72x = 529,300.68 × 153,079.54
  4. Step 4: Simplify right side
    352,807.72x = 81,025,104,616.09
  5. Step 5: Solve for x
    x = 81,025,104,616.09/352,807.72
  6. Step 6: Final answer
    x = 229,657.97

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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.