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Finding the Fourth Proportional to 245,358.30, 368,049.60 and 127,260.30

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Solution

The fourth proportional to 245,358.30, 368,049.60 and 127,260.30 is: 190,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,358.30 : 368,049.60 = 127,260.30 : x
  2. Step 2: Convert to fraction form
    245,358.30/368,049.60 = 127,260.30/x
  3. Step 3: Cross multiply
    245,358.30x = 368,049.60 × 127,260.30
  4. Step 4: Simplify right side
    245,358.30x = 46,838,102,510.88
  5. Step 5: Solve for x
    x = 46,838,102,510.88/245,358.30
  6. Step 6: Final answer
    x = 190,896.75

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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.