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Finding the Fourth Proportional to 341,084.54, 511,981.64 and 251,228.69

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Solution

The fourth proportional to 341,084.54, 511,981.64 and 251,228.69 is: 377,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,084.54 : 511,981.64 = 251,228.69 : x
  2. Step 2: Convert to fraction form
    341,084.54/511,981.64 = 251,228.69/x
  3. Step 3: Cross multiply
    341,084.54x = 511,981.64 × 251,228.69
  4. Step 4: Simplify right side
    341,084.54x = 128,624,475,465.11
  5. Step 5: Solve for x
    x = 128,624,475,465.11/341,084.54
  6. Step 6: Final answer
    x = 377,104.39

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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.