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Finding the Fourth Proportional to 293,483.90, 404,819.60 and 201,558.82

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Solution

The fourth proportional to 293,483.90, 404,819.60 and 201,558.82 is: 278,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,483.90 : 404,819.60 = 201,558.82 : x
  2. Step 2: Convert to fraction form
    293,483.90/404,819.60 = 201,558.82/x
  3. Step 3: Cross multiply
    293,483.90x = 404,819.60 × 201,558.82
  4. Step 4: Simplify right side
    293,483.90x = 81,594,960,888.87
  5. Step 5: Solve for x
    x = 81,594,960,888.87/293,483.90
  6. Step 6: Final answer
    x = 278,021.93

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1.5x scale

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.