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Finding the Fourth Proportional to 606,682.70, 908,468.85 and 448,052.30

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Solution

The fourth proportional to 606,682.70, 908,468.85 and 448,052.30 is: 670,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,682.70 : 908,468.85 = 448,052.30 : x
  2. Step 2: Convert to fraction form
    606,682.70/908,468.85 = 448,052.30/x
  3. Step 3: Cross multiply
    606,682.70x = 908,468.85 × 448,052.30
  4. Step 4: Simplify right side
    606,682.70x = 407,041,557,720.86
  5. Step 5: Solve for x
    x = 407,041,557,720.86/606,682.70
  6. Step 6: Final answer
    x = 670,929.89

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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.