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Finding the Fourth Proportional to 702,620.19, 969,616.44 and 380,329.29

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Solution

The fourth proportional to 702,620.19, 969,616.44 and 380,329.29 is: 524,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,620.19 : 969,616.44 = 380,329.29 : x
  2. Step 2: Convert to fraction form
    702,620.19/969,616.44 = 380,329.29/x
  3. Step 3: Cross multiply
    702,620.19x = 969,616.44 × 380,329.29
  4. Step 4: Simplify right side
    702,620.19x = 368,773,532,197.53
  5. Step 5: Solve for x
    x = 368,773,532,197.53/702,620.19
  6. Step 6: Final answer
    x = 524,854.73

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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.