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Finding the Fourth Proportional to 702,627.54, 969,625.19 and 380,337.54

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Solution

The fourth proportional to 702,627.54, 969,625.19 and 380,337.54 is: 524,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,627.54 : 969,625.19 = 380,337.54 : x
  2. Step 2: Convert to fraction form
    702,627.54/969,625.19 = 380,337.54/x
  3. Step 3: Cross multiply
    702,627.54x = 969,625.19 × 380,337.54
  4. Step 4: Simplify right side
    702,627.54x = 368,784,857,584.95
  5. Step 5: Solve for x
    x = 368,784,857,584.95/702,627.54
  6. Step 6: Final answer
    x = 524,865.36

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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.