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Finding the Fourth Proportional to 703,063.53, 970,222.82 and 380,766.24

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Solution

The fourth proportional to 703,063.53, 970,222.82 and 380,766.24 is: 525,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,063.53 : 970,222.82 = 380,766.24 : x
  2. Step 2: Convert to fraction form
    703,063.53/970,222.82 = 380,766.24/x
  3. Step 3: Cross multiply
    703,063.53x = 970,222.82 × 380,766.24
  4. Step 4: Simplify right side
    703,063.53x = 369,428,093,229.77
  5. Step 5: Solve for x
    x = 369,428,093,229.77/703,063.53
  6. Step 6: Final answer
    x = 525,454.78

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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.