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Finding the Fourth Proportional to 361,813.58, 499,333.32 and 200,720.48

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Solution

The fourth proportional to 361,813.58, 499,333.32 and 200,720.48 is: 277,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,813.58 : 499,333.32 = 200,720.48 : x
  2. Step 2: Convert to fraction form
    361,813.58/499,333.32 = 200,720.48/x
  3. Step 3: Cross multiply
    361,813.58x = 499,333.32 × 200,720.48
  4. Step 4: Simplify right side
    361,813.58x = 100,226,423,670.39
  5. Step 5: Solve for x
    x = 100,226,423,670.39/361,813.58
  6. Step 6: Final answer
    x = 277,011.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.