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Finding the Fourth Proportional to 477,659.51, 658,797 and 296,269.73

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Solution

The fourth proportional to 477,659.51, 658,797 and 296,269.73 is: 408,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,659.51 : 658,797 = 296,269.73 : x
  2. Step 2: Convert to fraction form
    477,659.51/658,797 = 296,269.73/x
  3. Step 3: Cross multiply
    477,659.51x = 658,797 × 296,269.73
  4. Step 4: Simplify right side
    477,659.51x = 195,181,609,314.81
  5. Step 5: Solve for x
    x = 195,181,609,314.81/477,659.51
  6. Step 6: Final answer
    x = 408,620.80

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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.