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Finding the Fourth Proportional to 703,060.20, 970,222.24 and 380,770.11

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Solution

The fourth proportional to 703,060.20, 970,222.24 and 380,770.11 is: 525,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,060.20 : 970,222.24 = 380,770.11 : x
  2. Step 2: Convert to fraction form
    703,060.20/970,222.24 = 380,770.11/x
  3. Step 3: Cross multiply
    703,060.20x = 970,222.24 × 380,770.11
  4. Step 4: Simplify right side
    703,060.20x = 369,431,623,246.21
  5. Step 5: Solve for x
    x = 369,431,623,246.21/703,060.20
  6. Step 6: Final answer
    x = 525,462.29

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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.