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Finding the Fourth Proportional to 703,158.32, 970,190.52 and 416,628.92

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Solution

The fourth proportional to 703,158.32, 970,190.52 and 416,628.92 is: 574,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,158.32 : 970,190.52 = 416,628.92 : x
  2. Step 2: Convert to fraction form
    703,158.32/970,190.52 = 416,628.92/x
  3. Step 3: Cross multiply
    703,158.32x = 970,190.52 × 416,628.92
  4. Step 4: Simplify right side
    703,158.32x = 404,209,428,541.84
  5. Step 5: Solve for x
    x = 404,209,428,541.84/703,158.32
  6. Step 6: Final answer
    x = 574,848.39

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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.