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Finding the Fourth Proportional to 370,468.24, 555,111.87 and 237,238.90

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Solution

The fourth proportional to 370,468.24, 555,111.87 and 237,238.90 is: 355,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,468.24 : 555,111.87 = 237,238.90 : x
  2. Step 2: Convert to fraction form
    370,468.24/555,111.87 = 237,238.90/x
  3. Step 3: Cross multiply
    370,468.24x = 555,111.87 × 237,238.90
  4. Step 4: Simplify right side
    370,468.24x = 131,694,129,415.74
  5. Step 5: Solve for x
    x = 131,694,129,415.74/370,468.24
  6. Step 6: Final answer
    x = 355,480.21

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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.