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Finding the Fourth Proportional to 703,204.17, 970,426.41 and 380,914.26

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Solution

The fourth proportional to 703,204.17, 970,426.41 and 380,914.26 is: 525,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,204.17 : 970,426.41 = 380,914.26 : x
  2. Step 2: Convert to fraction form
    703,204.17/970,426.41 = 380,914.26/x
  3. Step 3: Cross multiply
    703,204.17x = 970,426.41 × 380,914.26
  4. Step 4: Simplify right side
    703,204.17x = 369,649,259,847.71
  5. Step 5: Solve for x
    x = 369,649,259,847.71/703,204.17
  6. Step 6: Final answer
    x = 525,664.20

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Double scale
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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.