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Finding the Fourth Proportional to 554,548.16, 831,822.24 and 133,824.08

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Solution

The fourth proportional to 554,548.16, 831,822.24 and 133,824.08 is: 200,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,548.16 : 831,822.24 = 133,824.08 : x
  2. Step 2: Convert to fraction form
    554,548.16/831,822.24 = 133,824.08/x
  3. Step 3: Cross multiply
    554,548.16x = 831,822.24 × 133,824.08
  4. Step 4: Simplify right side
    554,548.16x = 111,317,845,991.54
  5. Step 5: Solve for x
    x = 111,317,845,991.54/554,548.16
  6. Step 6: Final answer
    x = 200,736.12

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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.