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Finding the Fourth Proportional to 458,628.51, 632,923.17 and 254,682.84

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Solution

The fourth proportional to 458,628.51, 632,923.17 and 254,682.84 is: 351,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,628.51 : 632,923.17 = 254,682.84 : x
  2. Step 2: Convert to fraction form
    458,628.51/632,923.17 = 254,682.84/x
  3. Step 3: Cross multiply
    458,628.51x = 632,923.17 × 254,682.84
  4. Step 4: Simplify right side
    458,628.51x = 161,194,672,224.59
  5. Step 5: Solve for x
    x = 161,194,672,224.59/458,628.51
  6. Step 6: Final answer
    x = 351,471.12

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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.