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Finding the Fourth Proportional to 606,907.71, 837,816.08 and 352,209.69

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Solution

The fourth proportional to 606,907.71, 837,816.08 and 352,209.69 is: 486,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,907.71 : 837,816.08 = 352,209.69 : x
  2. Step 2: Convert to fraction form
    606,907.71/837,816.08 = 352,209.69/x
  3. Step 3: Cross multiply
    606,907.71x = 837,816.08 × 352,209.69
  4. Step 4: Simplify right side
    606,907.71x = 295,086,940,052.77
  5. Step 5: Solve for x
    x = 295,086,940,052.77/606,907.71
  6. Step 6: Final answer
    x = 486,213.86

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Double scale
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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.