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Finding the Fourth Proportional to 734,477.40, 1,101,716.10 and 261,696.60

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Solution

The fourth proportional to 734,477.40, 1,101,716.10 and 261,696.60 is: 392,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,477.40 : 1,101,716.10 = 261,696.60 : x
  2. Step 2: Convert to fraction form
    734,477.40/1,101,716.10 = 261,696.60/x
  3. Step 3: Cross multiply
    734,477.40x = 1,101,716.10 × 261,696.60
  4. Step 4: Simplify right side
    734,477.40x = 288,315,357,535.26
  5. Step 5: Solve for x
    x = 288,315,357,535.26/734,477.40
  6. Step 6: Final answer
    x = 392,544.90

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Double scale
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Similar ratio
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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.