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Finding the Fourth Proportional to 342,918.60, 473,458.74 and 214,053.27

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Solution

The fourth proportional to 342,918.60, 473,458.74 and 214,053.27 is: 295,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,918.60 : 473,458.74 = 214,053.27 : x
  2. Step 2: Convert to fraction form
    342,918.60/473,458.74 = 214,053.27/x
  3. Step 3: Cross multiply
    342,918.60x = 473,458.74 × 214,053.27
  4. Step 4: Simplify right side
    342,918.60x = 101,345,388,928.91
  5. Step 5: Solve for x
    x = 101,345,388,928.91/342,918.60
  6. Step 6: Final answer
    x = 295,537.75

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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.