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Finding the Fourth Proportional to 370,963.50, 556,071.37 and 146,236.97

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Solution

The fourth proportional to 370,963.50, 556,071.37 and 146,236.97 is: 219,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,963.50 : 556,071.37 = 146,236.97 : x
  2. Step 2: Convert to fraction form
    370,963.50/556,071.37 = 146,236.97/x
  3. Step 3: Cross multiply
    370,963.50x = 556,071.37 × 146,236.97
  4. Step 4: Simplify right side
    370,963.50x = 81,318,189,106.60
  5. Step 5: Solve for x
    x = 81,318,189,106.60/370,963.50
  6. Step 6: Final answer
    x = 219,208.06

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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.