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Finding the Fourth Proportional to 301,919.20, 453,170.40 and 183,821.20

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Solution

The fourth proportional to 301,919.20, 453,170.40 and 183,821.20 is: 275,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,919.20 : 453,170.40 = 183,821.20 : x
  2. Step 2: Convert to fraction form
    301,919.20/453,170.40 = 183,821.20/x
  3. Step 3: Cross multiply
    301,919.20x = 453,170.40 × 183,821.20
  4. Step 4: Simplify right side
    301,919.20x = 83,302,326,732.48
  5. Step 5: Solve for x
    x = 83,302,326,732.48/301,919.20
  6. Step 6: Final answer
    x = 275,909.34

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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.