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Finding the Fourth Proportional to 504,080.80, 756,121.20 and 254,730.40

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Solution

The fourth proportional to 504,080.80, 756,121.20 and 254,730.40 is: 382,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,080.80 : 756,121.20 = 254,730.40 : x
  2. Step 2: Convert to fraction form
    504,080.80/756,121.20 = 254,730.40/x
  3. Step 3: Cross multiply
    504,080.80x = 756,121.20 × 254,730.40
  4. Step 4: Simplify right side
    504,080.80x = 192,607,055,724.48
  5. Step 5: Solve for x
    x = 192,607,055,724.48/504,080.80
  6. Step 6: Final answer
    x = 382,095.60

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Similar ratio
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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.