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Finding the Fourth Proportional to 295,901.10, 443,560.05 and 146,018.70

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Solution

The fourth proportional to 295,901.10, 443,560.05 and 146,018.70 is: 218,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,901.10 : 443,560.05 = 146,018.70 : x
  2. Step 2: Convert to fraction form
    295,901.10/443,560.05 = 146,018.70/x
  3. Step 3: Cross multiply
    295,901.10x = 443,560.05 × 146,018.70
  4. Step 4: Simplify right side
    295,901.10x = 64,768,061,872.94
  5. Step 5: Solve for x
    x = 64,768,061,872.94/295,901.10
  6. Step 6: Final answer
    x = 218,884.15

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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.