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Finding the Fourth Proportional to 703,446.61, 970,757.19 and 381,156.46

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Solution

The fourth proportional to 703,446.61, 970,757.19 and 381,156.46 is: 525,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,446.61 : 970,757.19 = 381,156.46 : x
  2. Step 2: Convert to fraction form
    703,446.61/970,757.19 = 381,156.46/x
  3. Step 3: Cross multiply
    703,446.61x = 970,757.19 × 381,156.46
  4. Step 4: Simplify right side
    703,446.61x = 370,010,374,059.95
  5. Step 5: Solve for x
    x = 370,010,374,059.95/703,446.61
  6. Step 6: Final answer
    x = 525,996.39

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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.