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Finding the Fourth Proportional to 656,703.40, 984,982.20 and 183,436.60

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Solution

The fourth proportional to 656,703.40, 984,982.20 and 183,436.60 is: 275,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,703.40 : 984,982.20 = 183,436.60 : x
  2. Step 2: Convert to fraction form
    656,703.40/984,982.20 = 183,436.60/x
  3. Step 3: Cross multiply
    656,703.40x = 984,982.20 × 183,436.60
  4. Step 4: Simplify right side
    656,703.40x = 180,681,785,828.52
  5. Step 5: Solve for x
    x = 180,681,785,828.52/656,703.40
  6. Step 6: Final answer
    x = 275,134.54

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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.