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Finding the Fourth Proportional to 370,778.86, 556,211.49 and 134,232.94

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Solution

The fourth proportional to 370,778.86, 556,211.49 and 134,232.94 is: 201,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,778.86 : 556,211.49 = 134,232.94 : x
  2. Step 2: Convert to fraction form
    370,778.86/556,211.49 = 134,232.94/x
  3. Step 3: Cross multiply
    370,778.86x = 556,211.49 × 134,232.94
  4. Step 4: Simplify right side
    370,778.86x = 74,661,903,564.48
  5. Step 5: Solve for x
    x = 74,661,903,564.48/370,778.86
  6. Step 6: Final answer
    x = 201,365.05

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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.