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Finding the Fourth Proportional to 458,674.44, 632,986.72 and 254,728.76

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Solution

The fourth proportional to 458,674.44, 632,986.72 and 254,728.76 is: 351,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,674.44 : 632,986.72 = 254,728.76 : x
  2. Step 2: Convert to fraction form
    458,674.44/632,986.72 = 254,728.76/x
  3. Step 3: Cross multiply
    458,674.44x = 632,986.72 × 254,728.76
  4. Step 4: Simplify right side
    458,674.44x = 161,239,922,282.07
  5. Step 5: Solve for x
    x = 161,239,922,282.07/458,674.44
  6. Step 6: Final answer
    x = 351,534.57

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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.