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Finding the Fourth Proportional to 370,525.44, 555,799.48 and 256,561.68

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Solution

The fourth proportional to 370,525.44, 555,799.48 and 256,561.68 is: 384,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,525.44 : 555,799.48 = 256,561.68 : x
  2. Step 2: Convert to fraction form
    370,525.44/555,799.48 = 256,561.68/x
  3. Step 3: Cross multiply
    370,525.44x = 555,799.48 × 256,561.68
  4. Step 4: Simplify right side
    370,525.44x = 142,596,848,331.93
  5. Step 5: Solve for x
    x = 142,596,848,331.93/370,525.44
  6. Step 6: Final answer
    x = 384,850.36

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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.