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Finding the Fourth Proportional to 352,898.68, 529,050.36 and 153,068.56

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Solution

The fourth proportional to 352,898.68, 529,050.36 and 153,068.56 is: 229,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,898.68 : 529,050.36 = 153,068.56 : x
  2. Step 2: Convert to fraction form
    352,898.68/529,050.36 = 153,068.56/x
  3. Step 3: Cross multiply
    352,898.68x = 529,050.36 × 153,068.56
  4. Step 4: Simplify right side
    352,898.68x = 80,980,976,772.68
  5. Step 5: Solve for x
    x = 80,980,976,772.68/352,898.68
  6. Step 6: Final answer
    x = 229,473.73

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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.