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Finding the Fourth Proportional to 272,582.10, 408,873.15 and 255,086.10

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Solution

The fourth proportional to 272,582.10, 408,873.15 and 255,086.10 is: 382,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,582.10 : 408,873.15 = 255,086.10 : x
  2. Step 2: Convert to fraction form
    272,582.10/408,873.15 = 255,086.10/x
  3. Step 3: Cross multiply
    272,582.10x = 408,873.15 × 255,086.10
  4. Step 4: Simplify right side
    272,582.10x = 104,297,857,228.22
  5. Step 5: Solve for x
    x = 104,297,857,228.22/272,582.10
  6. Step 6: Final answer
    x = 382,629.15

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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.