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Finding the Fourth Proportional to 554,082.09, 831,123.32 and 133,357.97

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Solution

The fourth proportional to 554,082.09, 831,123.32 and 133,357.97 is: 200,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,082.09 : 831,123.32 = 133,357.97 : x
  2. Step 2: Convert to fraction form
    554,082.09/831,123.32 = 133,357.97/x
  3. Step 3: Cross multiply
    554,082.09x = 831,123.32 × 133,357.97
  4. Step 4: Simplify right side
    554,082.09x = 110,836,913,952.45
  5. Step 5: Solve for x
    x = 110,836,913,952.45/554,082.09
  6. Step 6: Final answer
    x = 200,036.99

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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.