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Finding the Fourth Proportional to 369,949.65, 554,712.51 and 113,715.48

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Solution

The fourth proportional to 369,949.65, 554,712.51 and 113,715.48 is: 170,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,949.65 : 554,712.51 = 113,715.48 : x
  2. Step 2: Convert to fraction form
    369,949.65/554,712.51 = 113,715.48/x
  3. Step 3: Cross multiply
    369,949.65x = 554,712.51 × 113,715.48
  4. Step 4: Simplify right side
    369,949.65x = 63,079,399,336.65
  5. Step 5: Solve for x
    x = 63,079,399,336.65/369,949.65
  6. Step 6: Final answer
    x = 170,508.07

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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.