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Finding the Fourth Proportional to 606,896.40, 910,016.55 and 251,946.30

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Solution

The fourth proportional to 606,896.40, 910,016.55 and 251,946.30 is: 377,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,896.40 : 910,016.55 = 251,946.30 : x
  2. Step 2: Convert to fraction form
    606,896.40/910,016.55 = 251,946.30/x
  3. Step 3: Cross multiply
    606,896.40x = 910,016.55 × 251,946.30
  4. Step 4: Simplify right side
    606,896.40x = 229,275,302,711.27
  5. Step 5: Solve for x
    x = 229,275,302,711.27/606,896.40
  6. Step 6: Final answer
    x = 377,783.26

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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.