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Finding the Fourth Proportional to 254,995.77, 382,548.69 and 77,517.08

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Solution

The fourth proportional to 254,995.77, 382,548.69 and 77,517.08 is: 116,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,995.77 : 382,548.69 = 77,517.08 : x
  2. Step 2: Convert to fraction form
    254,995.77/382,548.69 = 77,517.08/x
  3. Step 3: Cross multiply
    254,995.77x = 382,548.69 × 77,517.08
  4. Step 4: Simplify right side
    254,995.77x = 29,654,057,406.63
  5. Step 5: Solve for x
    x = 29,654,057,406.63/254,995.77
  6. Step 6: Final answer
    x = 116,292.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.