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Finding the Fourth Proportional to 611,997.60, 917,996.40 and 601,629.60

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Solution

The fourth proportional to 611,997.60, 917,996.40 and 601,629.60 is: 902,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997.60 : 917,996.40 = 601,629.60 : x
  2. Step 2: Convert to fraction form
    611,997.60/917,996.40 = 601,629.60/x
  3. Step 3: Cross multiply
    611,997.60x = 917,996.40 × 601,629.60
  4. Step 4: Simplify right side
    611,997.60x = 552,293,806,933.44
  5. Step 5: Solve for x
    x = 552,293,806,933.44/611,997.60
  6. Step 6: Final answer
    x = 902,444.40

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Similar ratio
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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.