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Finding the Fourth Proportional to 350,617.04, 484,084.84 and 207,422.96

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Solution

The fourth proportional to 350,617.04, 484,084.84 and 207,422.96 is: 286,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,617.04 : 484,084.84 = 207,422.96 : x
  2. Step 2: Convert to fraction form
    350,617.04/484,084.84 = 207,422.96/x
  3. Step 3: Cross multiply
    350,617.04x = 484,084.84 × 207,422.96
  4. Step 4: Simplify right side
    350,617.04x = 100,410,310,403.93
  5. Step 5: Solve for x
    x = 100,410,310,403.93/350,617.04
  6. Step 6: Final answer
    x = 286,381.72

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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.