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Finding the Fourth Proportional to 684,606.60, 944,792.98 and 394,262.24

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Solution

The fourth proportional to 684,606.60, 944,792.98 and 394,262.24 is: 544,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,606.60 : 944,792.98 = 394,262.24 : x
  2. Step 2: Convert to fraction form
    684,606.60/944,792.98 = 394,262.24/x
  3. Step 3: Cross multiply
    684,606.60x = 944,792.98 × 394,262.24
  4. Step 4: Simplify right side
    684,606.60x = 372,496,190,921.46
  5. Step 5: Solve for x
    x = 372,496,190,921.46/684,606.60
  6. Step 6: Final answer
    x = 544,102.54

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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.