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Finding the Fourth Proportional to 302,215.80, 453,323.70 and 269,556.60

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Solution

The fourth proportional to 302,215.80, 453,323.70 and 269,556.60 is: 404,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,215.80 : 453,323.70 = 269,556.60 : x
  2. Step 2: Convert to fraction form
    302,215.80/453,323.70 = 269,556.60/x
  3. Step 3: Cross multiply
    302,215.80x = 453,323.70 × 269,556.60
  4. Step 4: Simplify right side
    302,215.80x = 122,196,395,271.42
  5. Step 5: Solve for x
    x = 122,196,395,271.42/302,215.80
  6. Step 6: Final answer
    x = 404,334.90

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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.