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Finding the Fourth Proportional to 671,636.30, 926,854.13 and 365,711.95

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Solution

The fourth proportional to 671,636.30, 926,854.13 and 365,711.95 is: 504,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,636.30 : 926,854.13 = 365,711.95 : x
  2. Step 2: Convert to fraction form
    671,636.30/926,854.13 = 365,711.95/x
  3. Step 3: Cross multiply
    671,636.30x = 926,854.13 × 365,711.95
  4. Step 4: Simplify right side
    671,636.30x = 338,961,627,102.16
  5. Step 5: Solve for x
    x = 338,961,627,102.16/671,636.30
  6. Step 6: Final answer
    x = 504,680.33

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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.