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Finding the Fourth Proportional to 702,391.67, 969,300.51 and 380,101.75

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Solution

The fourth proportional to 702,391.67, 969,300.51 and 380,101.75 is: 524,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,391.67 : 969,300.51 = 380,101.75 : x
  2. Step 2: Convert to fraction form
    702,391.67/969,300.51 = 380,101.75/x
  3. Step 3: Cross multiply
    702,391.67x = 969,300.51 × 380,101.75
  4. Step 4: Simplify right side
    702,391.67x = 368,432,816,278.26
  5. Step 5: Solve for x
    x = 368,432,816,278.26/702,391.67
  6. Step 6: Final answer
    x = 524,540.41

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1.5x scale

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.