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Finding the Fourth Proportional to 703,224.45, 970,454.39 and 380,934.54

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Solution

The fourth proportional to 703,224.45, 970,454.39 and 380,934.54 is: 525,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,224.45 : 970,454.39 = 380,934.54 : x
  2. Step 2: Convert to fraction form
    703,224.45/970,454.39 = 380,934.54/x
  3. Step 3: Cross multiply
    703,224.45x = 970,454.39 × 380,934.54
  4. Step 4: Simplify right side
    703,224.45x = 369,679,594,740.96
  5. Step 5: Solve for x
    x = 369,679,594,740.96/703,224.45
  6. Step 6: Final answer
    x = 525,692.18

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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.