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Finding the Fourth Proportional to 607,384.80, 910,286.94 and 247,135.82

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Solution

The fourth proportional to 607,384.80, 910,286.94 and 247,135.82 is: 370,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,384.80 : 910,286.94 = 247,135.82 : x
  2. Step 2: Convert to fraction form
    607,384.80/910,286.94 = 247,135.82/x
  3. Step 3: Cross multiply
    607,384.80x = 910,286.94 × 247,135.82
  4. Step 4: Simplify right side
    607,384.80x = 224,964,509,352.19
  5. Step 5: Solve for x
    x = 224,964,509,352.19/607,384.80
  6. Step 6: Final answer
    x = 370,382.18

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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.