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Finding the Fourth Proportional to 270,556.28, 373,438.54 and 155,848.12

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Solution

The fourth proportional to 270,556.28, 373,438.54 and 155,848.12 is: 215,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,556.28 : 373,438.54 = 155,848.12 : x
  2. Step 2: Convert to fraction form
    270,556.28/373,438.54 = 155,848.12/x
  3. Step 3: Cross multiply
    270,556.28x = 373,438.54 × 155,848.12
  4. Step 4: Simplify right side
    270,556.28x = 58,199,694,394.54
  5. Step 5: Solve for x
    x = 58,199,694,394.54/270,556.28
  6. Step 6: Final answer
    x = 215,111.23

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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.