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Finding the Fourth Proportional to 480,375.15, 662,920.35 and 262,584.15

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Solution

The fourth proportional to 480,375.15, 662,920.35 and 262,584.15 is: 362,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,375.15 : 662,920.35 = 262,584.15 : x
  2. Step 2: Convert to fraction form
    480,375.15/662,920.35 = 262,584.15/x
  3. Step 3: Cross multiply
    480,375.15x = 662,920.35 × 262,584.15
  4. Step 4: Simplify right side
    480,375.15x = 174,072,376,622.45
  5. Step 5: Solve for x
    x = 174,072,376,622.45/480,375.15
  6. Step 6: Final answer
    x = 362,367.57

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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.