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Finding the Fourth Proportional to 606,939.60, 908,659.80 and 606,939.60

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Solution

The fourth proportional to 606,939.60, 908,659.80 and 606,939.60 is: 908,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,939.60 : 908,659.80 = 606,939.60 : x
  2. Step 2: Convert to fraction form
    606,939.60/908,659.80 = 606,939.60/x
  3. Step 3: Cross multiply
    606,939.60x = 908,659.80 × 606,939.60
  4. Step 4: Simplify right side
    606,939.60x = 551,501,615,548.08
  5. Step 5: Solve for x
    x = 551,501,615,548.08/606,939.60
  6. Step 6: Final answer
    x = 908,659.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.