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Finding the Fourth Proportional to 458,026.80, 632,080.78 and 254,091.08

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Solution

The fourth proportional to 458,026.80, 632,080.78 and 254,091.08 is: 350,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,026.80 : 632,080.78 = 254,091.08 : x
  2. Step 2: Convert to fraction form
    458,026.80/632,080.78 = 254,091.08/x
  3. Step 3: Cross multiply
    458,026.80x = 632,080.78 × 254,091.08
  4. Step 4: Simplify right side
    458,026.80x = 160,606,088,037.44
  5. Step 5: Solve for x
    x = 160,606,088,037.44/458,026.80
  6. Step 6: Final answer
    x = 350,647.80

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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.