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Finding the Fourth Proportional to 618,763.94, 927,609.48 and 239,423.66

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Solution

The fourth proportional to 618,763.94, 927,609.48 and 239,423.66 is: 358,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,763.94 : 927,609.48 = 239,423.66 : x
  2. Step 2: Convert to fraction form
    618,763.94/927,609.48 = 239,423.66/x
  3. Step 3: Cross multiply
    618,763.94x = 927,609.48 × 239,423.66
  4. Step 4: Simplify right side
    618,763.94x = 222,091,656,752.30
  5. Step 5: Solve for x
    x = 222,091,656,752.30/618,763.94
  6. Step 6: Final answer
    x = 358,927.92

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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.