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Finding the Fourth Proportional to 358,367.53, 537,509.71 and 133,735.81

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Solution

The fourth proportional to 358,367.53, 537,509.71 and 133,735.81 is: 200,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,367.53 : 537,509.71 = 133,735.81 : x
  2. Step 2: Convert to fraction form
    358,367.53/537,509.71 = 133,735.81/x
  3. Step 3: Cross multiply
    358,367.53x = 537,509.71 × 133,735.81
  4. Step 4: Simplify right side
    358,367.53x = 71,884,296,449.72
  5. Step 5: Solve for x
    x = 71,884,296,449.72/358,367.53
  6. Step 6: Final answer
    x = 200,588.20

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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.