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Finding the Fourth Proportional to 703,444.70, 970,771.77 and 431,662.77

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Solution

The fourth proportional to 703,444.70, 970,771.77 and 431,662.77 is: 595,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,444.70 : 970,771.77 = 431,662.77 : x
  2. Step 2: Convert to fraction form
    703,444.70/970,771.77 = 431,662.77/x
  3. Step 3: Cross multiply
    703,444.70x = 970,771.77 × 431,662.77
  4. Step 4: Simplify right side
    703,444.70x = 419,046,031,276.00
  5. Step 5: Solve for x
    x = 419,046,031,276.00/703,444.70
  6. Step 6: Final answer
    x = 595,705.72

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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.