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Finding the Fourth Proportional to 458,568.79, 632,826.15 and 254,620.09

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Solution

The fourth proportional to 458,568.79, 632,826.15 and 254,620.09 is: 351,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,568.79 : 632,826.15 = 254,620.09 : x
  2. Step 2: Convert to fraction form
    458,568.79/632,826.15 = 254,620.09/x
  3. Step 3: Cross multiply
    458,568.79x = 632,826.15 × 254,620.09
  4. Step 4: Simplify right side
    458,568.79x = 161,130,251,267.35
  5. Step 5: Solve for x
    x = 161,130,251,267.35/458,568.79
  6. Step 6: Final answer
    x = 351,376.40

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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.