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Finding the Fourth Proportional to 703,849.50, 970,237.44 and 431,412.48

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Solution

The fourth proportional to 703,849.50, 970,237.44 and 431,412.48 is: 594,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,849.50 : 970,237.44 = 431,412.48 : x
  2. Step 2: Convert to fraction form
    703,849.50/970,237.44 = 431,412.48/x
  3. Step 3: Cross multiply
    703,849.50x = 970,237.44 × 431,412.48
  4. Step 4: Simplify right side
    703,849.50x = 418,572,540,179.25
  5. Step 5: Solve for x
    x = 418,572,540,179.25/703,849.50
  6. Step 6: Final answer
    x = 594,690.40

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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.