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Finding the Fourth Proportional to 553,690.53, 829,887.90 and 254,200.02

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Solution

The fourth proportional to 553,690.53, 829,887.90 and 254,200.02 is: 381,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,690.53 : 829,887.90 = 254,200.02 : x
  2. Step 2: Convert to fraction form
    553,690.53/829,887.90 = 254,200.02/x
  3. Step 3: Cross multiply
    553,690.53x = 829,887.90 × 254,200.02
  4. Step 4: Simplify right side
    553,690.53x = 210,957,520,777.76
  5. Step 5: Solve for x
    x = 210,957,520,777.76/553,690.53
  6. Step 6: Final answer
    x = 381,002.58

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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.