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Finding the Fourth Proportional to 450,658.69, 621,910.36 and 246,711.37

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Solution

The fourth proportional to 450,658.69, 621,910.36 and 246,711.37 is: 340,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,658.69 : 621,910.36 = 246,711.37 : x
  2. Step 2: Convert to fraction form
    450,658.69/621,910.36 = 246,711.37/x
  3. Step 3: Cross multiply
    450,658.69x = 621,910.36 × 246,711.37
  4. Step 4: Simplify right side
    450,658.69x = 153,432,355,464.74
  5. Step 5: Solve for x
    x = 153,432,355,464.74/450,658.69
  6. Step 6: Final answer
    x = 340,462.44

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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.