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Finding the Fourth Proportional to 361,813.34, 499,333.06 and 200,720.28

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Solution

The fourth proportional to 361,813.34, 499,333.06 and 200,720.28 is: 277,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,813.34 : 499,333.06 = 200,720.28 : x
  2. Step 2: Convert to fraction form
    361,813.34/499,333.06 = 200,720.28/x
  3. Step 3: Cross multiply
    361,813.34x = 499,333.06 × 200,720.28
  4. Step 4: Simplify right side
    361,813.34x = 100,226,271,616.46
  5. Step 5: Solve for x
    x = 100,226,271,616.46/361,813.34
  6. Step 6: Final answer
    x = 277,010.99

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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.