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Finding the Fourth Proportional to 348,804, 523,211.04 and 99,486

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Solution

The fourth proportional to 348,804, 523,211.04 and 99,486 is: 149,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,804 : 523,211.04 = 99,486 : x
  2. Step 2: Convert to fraction form
    348,804/523,211.04 = 99,486/x
  3. Step 3: Cross multiply
    348,804x = 523,211.04 × 99,486
  4. Step 4: Simplify right side
    348,804x = 52,052,173,525.44
  5. Step 5: Solve for x
    x = 52,052,173,525.44/348,804
  6. Step 6: Final answer
    x = 149,230.44

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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.