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Finding the Fourth Proportional to 341,056.71, 511,429.55 and 163,647.27

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Solution

The fourth proportional to 341,056.71, 511,429.55 and 163,647.27 is: 245,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,056.71 : 511,429.55 = 163,647.27 : x
  2. Step 2: Convert to fraction form
    341,056.71/511,429.55 = 163,647.27/x
  3. Step 3: Cross multiply
    341,056.71x = 511,429.55 × 163,647.27
  4. Step 4: Simplify right side
    341,056.71x = 83,694,048,836.59
  5. Step 5: Solve for x
    x = 83,694,048,836.59/341,056.71
  6. Step 6: Final answer
    x = 245,396.28

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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.