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Finding the Fourth Proportional to 647,595.40, 970,932.30 and 248,081.80

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Solution

The fourth proportional to 647,595.40, 970,932.30 and 248,081.80 is: 371,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,595.40 : 970,932.30 = 248,081.80 : x
  2. Step 2: Convert to fraction form
    647,595.40/970,932.30 = 248,081.80/x
  3. Step 3: Cross multiply
    647,595.40x = 970,932.30 × 248,081.80
  4. Step 4: Simplify right side
    647,595.40x = 240,870,632,662.14
  5. Step 5: Solve for x
    x = 240,870,632,662.14/647,595.40
  6. Step 6: Final answer
    x = 371,946.18

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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.