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Finding the Fourth Proportional to 458,381.43, 632,554.52 and 254,421.81

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Solution

The fourth proportional to 458,381.43, 632,554.52 and 254,421.81 is: 351,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,381.43 : 632,554.52 = 254,421.81 : x
  2. Step 2: Convert to fraction form
    458,381.43/632,554.52 = 254,421.81/x
  3. Step 3: Cross multiply
    458,381.43x = 632,554.52 × 254,421.81
  4. Step 4: Simplify right side
    458,381.43x = 160,935,664,629.97
  5. Step 5: Solve for x
    x = 160,935,664,629.97/458,381.43
  6. Step 6: Final answer
    x = 351,095.52

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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.