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Finding the Fourth Proportional to 348,595.44, 522,912.72 and 99,258

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Solution

The fourth proportional to 348,595.44, 522,912.72 and 99,258 is: 148,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,595.44 : 522,912.72 = 99,258 : x
  2. Step 2: Convert to fraction form
    348,595.44/522,912.72 = 99,258/x
  3. Step 3: Cross multiply
    348,595.44x = 522,912.72 × 99,258
  4. Step 4: Simplify right side
    348,595.44x = 51,903,270,761.76
  5. Step 5: Solve for x
    x = 51,903,270,761.76/348,595.44
  6. Step 6: Final answer
    x = 148,892.57

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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.