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Finding the Fourth Proportional to 458,361.99, 632,527.45 and 254,412.38

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Solution

The fourth proportional to 458,361.99, 632,527.45 and 254,412.38 is: 351,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,361.99 : 632,527.45 = 254,412.38 : x
  2. Step 2: Convert to fraction form
    458,361.99/632,527.45 = 254,412.38/x
  3. Step 3: Cross multiply
    458,361.99x = 632,527.45 × 254,412.38
  4. Step 4: Simplify right side
    458,361.99x = 160,922,814,915.12
  5. Step 5: Solve for x
    x = 160,922,814,915.12/458,361.99
  6. Step 6: Final answer
    x = 351,082.37

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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.