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Finding the Fourth Proportional to 355,175.20, 533,929.20 and 303,853.60

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Solution

The fourth proportional to 355,175.20, 533,929.20 and 303,853.60 is: 456,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,175.20 : 533,929.20 = 303,853.60 : x
  2. Step 2: Convert to fraction form
    355,175.20/533,929.20 = 303,853.60/x
  3. Step 3: Cross multiply
    355,175.20x = 533,929.20 × 303,853.60
  4. Step 4: Simplify right side
    355,175.20x = 162,236,309,565.12
  5. Step 5: Solve for x
    x = 162,236,309,565.12/355,175.20
  6. Step 6: Final answer
    x = 456,778.26

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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.