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Finding the Fourth Proportional to 348,608.10, 522,912.15 and 304,321.35

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Solution

The fourth proportional to 348,608.10, 522,912.15 and 304,321.35 is: 456,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,608.10 : 522,912.15 = 304,321.35 : x
  2. Step 2: Convert to fraction form
    348,608.10/522,912.15 = 304,321.35/x
  3. Step 3: Cross multiply
    348,608.10x = 522,912.15 × 304,321.35
  4. Step 4: Simplify right side
    348,608.10x = 159,133,331,419.40
  5. Step 5: Solve for x
    x = 159,133,331,419.40/348,608.10
  6. Step 6: Final answer
    x = 456,482.03

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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.