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Finding the Fourth Proportional to 458,394.03, 632,516.32 and 254,446.51

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Solution

The fourth proportional to 458,394.03, 632,516.32 and 254,446.51 is: 351,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,394.03 : 632,516.32 = 254,446.51 : x
  2. Step 2: Convert to fraction form
    458,394.03/632,516.32 = 254,446.51/x
  3. Step 3: Cross multiply
    458,394.03x = 632,516.32 × 254,446.51
  4. Step 4: Simplify right side
    458,394.03x = 160,941,570,142.04
  5. Step 5: Solve for x
    x = 160,941,570,142.04/458,394.03
  6. Step 6: Final answer
    x = 351,098.75

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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.