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Finding the Fourth Proportional to 702,450.52, 969,382.89 and 380,160.90

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Solution

The fourth proportional to 702,450.52, 969,382.89 and 380,160.90 is: 524,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,450.52 : 969,382.89 = 380,160.90 : x
  2. Step 2: Convert to fraction form
    702,450.52/969,382.89 = 380,160.90/x
  3. Step 3: Cross multiply
    702,450.52x = 969,382.89 × 380,160.90
  4. Step 4: Simplify right side
    702,450.52x = 368,521,471,907.00
  5. Step 5: Solve for x
    x = 368,521,471,907.00/702,450.52
  6. Step 6: Final answer
    x = 524,622.68

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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.