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Finding the Fourth Proportional to 652,716.25, 900,734.04 and 362,310.66

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Solution

The fourth proportional to 652,716.25, 900,734.04 and 362,310.66 is: 499,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,716.25 : 900,734.04 = 362,310.66 : x
  2. Step 2: Convert to fraction form
    652,716.25/900,734.04 = 362,310.66/x
  3. Step 3: Cross multiply
    652,716.25x = 900,734.04 × 362,310.66
  4. Step 4: Simplify right side
    652,716.25x = 326,345,544,516.87
  5. Step 5: Solve for x
    x = 326,345,544,516.87/652,716.25
  6. Step 6: Final answer
    x = 499,980.73

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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.