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Finding the Fourth Proportional to 355,598.70, 534,564.45 and 251,141.10

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Solution

The fourth proportional to 355,598.70, 534,564.45 and 251,141.10 is: 377,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,598.70 : 534,564.45 = 251,141.10 : x
  2. Step 2: Convert to fraction form
    355,598.70/534,564.45 = 251,141.10/x
  3. Step 3: Cross multiply
    355,598.70x = 534,564.45 × 251,141.10
  4. Step 4: Simplify right side
    355,598.70x = 134,251,103,993.90
  5. Step 5: Solve for x
    x = 134,251,103,993.90/355,598.70
  6. Step 6: Final answer
    x = 377,535.42

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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.