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Finding the Fourth Proportional to 703,400.12, 970,669.54 and 401,594.12

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Solution

The fourth proportional to 703,400.12, 970,669.54 and 401,594.12 is: 554,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,400.12 : 970,669.54 = 401,594.12 : x
  2. Step 2: Convert to fraction form
    703,400.12/970,669.54 = 401,594.12/x
  3. Step 3: Cross multiply
    703,400.12x = 970,669.54 × 401,594.12
  4. Step 4: Simplify right side
    703,400.12x = 389,815,179,727.11
  5. Step 5: Solve for x
    x = 389,815,179,727.11/703,400.12
  6. Step 6: Final answer
    x = 554,186.97

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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.