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Finding the Fourth Proportional to 606,688, 837,229.44 and 338,416

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Solution

The fourth proportional to 606,688, 837,229.44 and 338,416 is: 467,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,688 : 837,229.44 = 338,416 : x
  2. Step 2: Convert to fraction form
    606,688/837,229.44 = 338,416/x
  3. Step 3: Cross multiply
    606,688x = 837,229.44 × 338,416
  4. Step 4: Simplify right side
    606,688x = 283,331,838,167.04
  5. Step 5: Solve for x
    x = 283,331,838,167.04/606,688
  6. Step 6: Final answer
    x = 467,014.08

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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.