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Finding the Fourth Proportional to 370,778.64, 556,248.96 and 134,096.64

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Solution

The fourth proportional to 370,778.64, 556,248.96 and 134,096.64 is: 201,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,778.64 : 556,248.96 = 134,096.64 : x
  2. Step 2: Convert to fraction form
    370,778.64/556,248.96 = 134,096.64/x
  3. Step 3: Cross multiply
    370,778.64x = 556,248.96 × 134,096.64
  4. Step 4: Simplify right side
    370,778.64x = 74,591,116,539.49
  5. Step 5: Solve for x
    x = 74,591,116,539.49/370,778.64
  6. Step 6: Final answer
    x = 201,174.25

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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.