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Finding the Fourth Proportional to 342,918.97, 473,459.34 and 214,053.71

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Solution

The fourth proportional to 342,918.97, 473,459.34 and 214,053.71 is: 295,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,918.97 : 473,459.34 = 214,053.71 : x
  2. Step 2: Convert to fraction form
    342,918.97/473,459.34 = 214,053.71/x
  3. Step 3: Cross multiply
    342,918.97x = 473,459.34 × 214,053.71
  4. Step 4: Simplify right side
    342,918.97x = 101,345,726,696.56
  5. Step 5: Solve for x
    x = 101,345,726,696.56/342,918.97
  6. Step 6: Final answer
    x = 295,538.41

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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.