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Finding the Fourth Proportional to 277,891.30, 417,394.95 and 165,790.24

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Solution

The fourth proportional to 277,891.30, 417,394.95 and 165,790.24 is: 249,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,891.30 : 417,394.95 = 165,790.24 : x
  2. Step 2: Convert to fraction form
    277,891.30/417,394.95 = 165,790.24/x
  3. Step 3: Cross multiply
    277,891.30x = 417,394.95 × 165,790.24
  4. Step 4: Simplify right side
    277,891.30x = 69,200,008,935.29
  5. Step 5: Solve for x
    x = 69,200,008,935.29/277,891.30
  6. Step 6: Final answer
    x = 249,018.26

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1.5x scale

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.