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Finding the Fourth Proportional to 370,804.50, 555,876.86 and 134,094.56

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Solution

The fourth proportional to 370,804.50, 555,876.86 and 134,094.56 is: 201,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,804.50 : 555,876.86 = 134,094.56 : x
  2. Step 2: Convert to fraction form
    370,804.50/555,876.86 = 134,094.56/x
  3. Step 3: Cross multiply
    370,804.50x = 555,876.86 × 134,094.56
  4. Step 4: Simplify right side
    370,804.50x = 74,540,059,506.02
  5. Step 5: Solve for x
    x = 74,540,059,506.02/370,804.50
  6. Step 6: Final answer
    x = 201,022.53

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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.