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Finding the Fourth Proportional to 503,935.65, 756,009.78 and 166,957.02

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Solution

The fourth proportional to 503,935.65, 756,009.78 and 166,957.02 is: 250,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,935.65 : 756,009.78 = 166,957.02 : x
  2. Step 2: Convert to fraction form
    503,935.65/756,009.78 = 166,957.02/x
  3. Step 3: Cross multiply
    503,935.65x = 756,009.78 × 166,957.02
  4. Step 4: Simplify right side
    503,935.65x = 126,221,139,959.66
  5. Step 5: Solve for x
    x = 126,221,139,959.66/503,935.65
  6. Step 6: Final answer
    x = 250,470.75

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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.