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Finding the Fourth Proportional to 344,493.08, 475,290.72 and 208,483.54

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Solution

The fourth proportional to 344,493.08, 475,290.72 and 208,483.54 is: 287,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,493.08 : 475,290.72 = 208,483.54 : x
  2. Step 2: Convert to fraction form
    344,493.08/475,290.72 = 208,483.54/x
  3. Step 3: Cross multiply
    344,493.08x = 475,290.72 × 208,483.54
  4. Step 4: Simplify right side
    344,493.08x = 99,090,291,834.75
  5. Step 5: Solve for x
    x = 99,090,291,834.75/344,493.08
  6. Step 6: Final answer
    x = 287,640.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.