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Finding the Fourth Proportional to 352,891.05, 529,038.95 and 153,060.91

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Solution

The fourth proportional to 352,891.05, 529,038.95 and 153,060.91 is: 229,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,891.05 : 529,038.95 = 153,060.91 : x
  2. Step 2: Convert to fraction form
    352,891.05/529,038.95 = 153,060.91/x
  3. Step 3: Cross multiply
    352,891.05x = 529,038.95 × 153,060.91
  4. Step 4: Simplify right side
    352,891.05x = 80,975,181,024.54
  5. Step 5: Solve for x
    x = 80,975,181,024.54/352,891.05
  6. Step 6: Final answer
    x = 229,462.27

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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.