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Finding the Fourth Proportional to 361,068.50, 498,234.28 and 199,883.18

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Solution

The fourth proportional to 361,068.50, 498,234.28 and 199,883.18 is: 275,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,068.50 : 498,234.28 = 199,883.18 : x
  2. Step 2: Convert to fraction form
    361,068.50/498,234.28 = 199,883.18/x
  3. Step 3: Cross multiply
    361,068.50x = 498,234.28 × 199,883.18
  4. Step 4: Simplify right side
    361,068.50x = 99,588,652,271.41
  5. Step 5: Solve for x
    x = 99,588,652,271.41/361,068.50
  6. Step 6: Final answer
    x = 275,816.51

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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.