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Finding the Fourth Proportional to 370,794.60, 555,556.20 and 248,986.80

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Solution

The fourth proportional to 370,794.60, 555,556.20 and 248,986.80 is: 373,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,794.60 : 555,556.20 = 248,986.80 : x
  2. Step 2: Convert to fraction form
    370,794.60/555,556.20 = 248,986.80/x
  3. Step 3: Cross multiply
    370,794.60x = 555,556.20 × 248,986.80
  4. Step 4: Simplify right side
    370,794.60x = 138,326,160,458.16
  5. Step 5: Solve for x
    x = 138,326,160,458.16/370,794.60
  6. Step 6: Final answer
    x = 373,053.33

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1.5x scale

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.