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Finding the Fourth Proportional to 394,609.02, 544,613.76 and 222,562.32

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Solution

The fourth proportional to 394,609.02, 544,613.76 and 222,562.32 is: 307,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,609.02 : 544,613.76 = 222,562.32 : x
  2. Step 2: Convert to fraction form
    394,609.02/544,613.76 = 222,562.32/x
  3. Step 3: Cross multiply
    394,609.02x = 544,613.76 × 222,562.32
  4. Step 4: Simplify right side
    394,609.02x = 121,210,501,929.52
  5. Step 5: Solve for x
    x = 121,210,501,929.52/394,609.02
  6. Step 6: Final answer
    x = 307,166.07

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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.