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Finding the Fourth Proportional to 358,570.85, 537,684.72 and 208,853.85

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Solution

The fourth proportional to 358,570.85, 537,684.72 and 208,853.85 is: 313,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,570.85 : 537,684.72 = 208,853.85 : x
  2. Step 2: Convert to fraction form
    358,570.85/537,684.72 = 208,853.85/x
  3. Step 3: Cross multiply
    358,570.85x = 537,684.72 × 208,853.85
  4. Step 4: Simplify right side
    358,570.85x = 112,297,523,858.17
  5. Step 5: Solve for x
    x = 112,297,523,858.17/358,570.85
  6. Step 6: Final answer
    x = 313,180.85

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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.