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Finding the Fourth Proportional to 468,889.79, 703,261.04 and 148,999.54

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Solution

The fourth proportional to 468,889.79, 703,261.04 and 148,999.54 is: 223,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,889.79 : 703,261.04 = 148,999.54 : x
  2. Step 2: Convert to fraction form
    468,889.79/703,261.04 = 148,999.54/x
  3. Step 3: Cross multiply
    468,889.79x = 703,261.04 × 148,999.54
  4. Step 4: Simplify right side
    468,889.79x = 104,785,571,459.92
  5. Step 5: Solve for x
    x = 104,785,571,459.92/468,889.79
  6. Step 6: Final answer
    x = 223,475.91

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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.