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Finding the Fourth Proportional to 606,621, 837,136.98 and 338,349

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Solution

The fourth proportional to 606,621, 837,136.98 and 338,349 is: 466,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,621 : 837,136.98 = 338,349 : x
  2. Step 2: Convert to fraction form
    606,621/837,136.98 = 338,349/x
  3. Step 3: Cross multiply
    606,621x = 837,136.98 × 338,349
  4. Step 4: Simplify right side
    606,621x = 283,244,460,046.02
  5. Step 5: Solve for x
    x = 283,244,460,046.02/606,621
  6. Step 6: Final answer
    x = 466,921.62

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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.