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Finding the Fourth Proportional to 265,646.31, 366,589.57 and 144,787.60

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Solution

The fourth proportional to 265,646.31, 366,589.57 and 144,787.60 is: 199,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,646.31 : 366,589.57 = 144,787.60 : x
  2. Step 2: Convert to fraction form
    265,646.31/366,589.57 = 144,787.60/x
  3. Step 3: Cross multiply
    265,646.31x = 366,589.57 × 144,787.60
  4. Step 4: Simplify right side
    265,646.31x = 53,077,624,800.29
  5. Step 5: Solve for x
    x = 53,077,624,800.29/265,646.31
  6. Step 6: Final answer
    x = 199,805.62

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1.5x scale

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.