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Finding the Fourth Proportional to 370,533.21, 555,370.84 and 170,433.64

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Solution

The fourth proportional to 370,533.21, 555,370.84 and 170,433.64 is: 255,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,533.21 : 555,370.84 = 170,433.64 : x
  2. Step 2: Convert to fraction form
    370,533.21/555,370.84 = 170,433.64/x
  3. Step 3: Cross multiply
    370,533.21x = 555,370.84 × 170,433.64
  4. Step 4: Simplify right side
    370,533.21x = 94,653,872,958.89
  5. Step 5: Solve for x
    x = 94,653,872,958.89/370,533.21
  6. Step 6: Final answer
    x = 255,453.15

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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.