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Finding the Fourth Proportional to 358,580.22, 537,807.98 and 133,942.58

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Solution

The fourth proportional to 358,580.22, 537,807.98 and 133,942.58 is: 200,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,580.22 : 537,807.98 = 133,942.58 : x
  2. Step 2: Convert to fraction form
    358,580.22/537,807.98 = 133,942.58/x
  3. Step 3: Cross multiply
    358,580.22x = 537,807.98 × 133,942.58
  4. Step 4: Simplify right side
    358,580.22x = 72,035,385,027.04
  5. Step 5: Solve for x
    x = 72,035,385,027.04/358,580.22
  6. Step 6: Final answer
    x = 200,890.57

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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.