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Finding the Fourth Proportional to 351,402.99, 484,935.46 and 190,258

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Solution

The fourth proportional to 351,402.99, 484,935.46 and 190,258 is: 262,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,402.99 : 484,935.46 = 190,258 : x
  2. Step 2: Convert to fraction form
    351,402.99/484,935.46 = 190,258/x
  3. Step 3: Cross multiply
    351,402.99x = 484,935.46 × 190,258
  4. Step 4: Simplify right side
    351,402.99x = 92,262,850,748.68
  5. Step 5: Solve for x
    x = 92,262,850,748.68/351,402.99
  6. Step 6: Final answer
    x = 262,555.68

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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.