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Finding the Fourth Proportional to 670,495.82, 925,284.24 and 368,689.82

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Solution

The fourth proportional to 670,495.82, 925,284.24 and 368,689.82 is: 508,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,495.82 : 925,284.24 = 368,689.82 : x
  2. Step 2: Convert to fraction form
    670,495.82/925,284.24 = 368,689.82/x
  3. Step 3: Cross multiply
    670,495.82x = 925,284.24 × 368,689.82
  4. Step 4: Simplify right side
    670,495.82x = 341,142,879,894.44
  5. Step 5: Solve for x
    x = 341,142,879,894.44/670,495.82
  6. Step 6: Final answer
    x = 508,791.96

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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.