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Finding the Fourth Proportional to 703,294.11, 970,544.70 and 381,012.39

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Solution

The fourth proportional to 703,294.11, 970,544.70 and 381,012.39 is: 525,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,294.11 : 970,544.70 = 381,012.39 : x
  2. Step 2: Convert to fraction form
    703,294.11/970,544.70 = 381,012.39/x
  3. Step 3: Cross multiply
    703,294.11x = 970,544.70 × 381,012.39
  4. Step 4: Simplify right side
    703,294.11x = 369,789,555,748.83
  5. Step 5: Solve for x
    x = 369,789,555,748.83/703,294.11
  6. Step 6: Final answer
    x = 525,796.46

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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.