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Finding the Fourth Proportional to 603,848.40, 905,772.02 and 154,568.54

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Solution

The fourth proportional to 603,848.40, 905,772.02 and 154,568.54 is: 231,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,848.40 : 905,772.02 = 154,568.54 : x
  2. Step 2: Convert to fraction form
    603,848.40/905,772.02 = 154,568.54/x
  3. Step 3: Cross multiply
    603,848.40x = 905,772.02 × 154,568.54
  4. Step 4: Simplify right side
    603,848.40x = 140,003,853,402.55
  5. Step 5: Solve for x
    x = 140,003,853,402.55/603,848.40
  6. Step 6: Final answer
    x = 231,852.65

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Double scale
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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.