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Finding the Fourth Proportional to 606,764, 837,334.68 and 338,492

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Solution

The fourth proportional to 606,764, 837,334.68 and 338,492 is: 467,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,764 : 837,334.68 = 338,492 : x
  2. Step 2: Convert to fraction form
    606,764/837,334.68 = 338,492/x
  3. Step 3: Cross multiply
    606,764x = 837,334.68 × 338,492
  4. Step 4: Simplify right side
    606,764x = 283,431,090,502.56
  5. Step 5: Solve for x
    x = 283,431,090,502.56/606,764
  6. Step 6: Final answer
    x = 467,119.16

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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.