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Finding the Fourth Proportional to 302,209.80, 453,314.70 and 269,550.60

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Solution

The fourth proportional to 302,209.80, 453,314.70 and 269,550.60 is: 404,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,209.80 : 453,314.70 = 269,550.60 : x
  2. Step 2: Convert to fraction form
    302,209.80/453,314.70 = 269,550.60/x
  3. Step 3: Cross multiply
    302,209.80x = 453,314.70 × 269,550.60
  4. Step 4: Simplify right side
    302,209.80x = 122,191,249,373.82
  5. Step 5: Solve for x
    x = 122,191,249,373.82/302,209.80
  6. Step 6: Final answer
    x = 404,325.90

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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.