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Finding the Fourth Proportional to 702,235.31, 969,084.70 and 379,945.41

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Solution

The fourth proportional to 702,235.31, 969,084.70 and 379,945.41 is: 524,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,235.31 : 969,084.70 = 379,945.41 : x
  2. Step 2: Convert to fraction form
    702,235.31/969,084.70 = 379,945.41/x
  3. Step 3: Cross multiply
    702,235.31x = 969,084.70 × 379,945.41
  4. Step 4: Simplify right side
    702,235.31x = 368,199,282,876.44
  5. Step 5: Solve for x
    x = 368,199,282,876.44/702,235.31
  6. Step 6: Final answer
    x = 524,324.65

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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.