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Finding the Fourth Proportional to 370,942.00, 511,737.44 and 217,911.16

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Solution

The fourth proportional to 370,942.00, 511,737.44 and 217,911.16 is: 300,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,942.00 : 511,737.44 = 217,911.16 : x
  2. Step 2: Convert to fraction form
    370,942.00/511,737.44 = 217,911.16/x
  3. Step 3: Cross multiply
    370,942.00x = 511,737.44 × 217,911.16
  4. Step 4: Simplify right side
    370,942.00x = 111,513,297,341.71
  5. Step 5: Solve for x
    x = 111,513,297,341.71/370,942.00
  6. Step 6: Final answer
    x = 300,621.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.