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Finding the Fourth Proportional to 370,999.10, 556,520.18 and 104,737.32

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Solution

The fourth proportional to 370,999.10, 556,520.18 and 104,737.32 is: 157,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,999.10 : 556,520.18 = 104,737.32 : x
  2. Step 2: Convert to fraction form
    370,999.10/556,520.18 = 104,737.32/x
  3. Step 3: Cross multiply
    370,999.10x = 556,520.18 × 104,737.32
  4. Step 4: Simplify right side
    370,999.10x = 58,288,432,179.12
  5. Step 5: Solve for x
    x = 58,288,432,179.12/370,999.10
  6. Step 6: Final answer
    x = 157,112.06

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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.