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Finding the Fourth Proportional to 370,425.64, 555,734.09 and 114,252.45

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Solution

The fourth proportional to 370,425.64, 555,734.09 and 114,252.45 is: 171,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,425.64 : 555,734.09 = 114,252.45 : x
  2. Step 2: Convert to fraction form
    370,425.64/555,734.09 = 114,252.45/x
  3. Step 3: Cross multiply
    370,425.64x = 555,734.09 × 114,252.45
  4. Step 4: Simplify right side
    370,425.64x = 63,493,983,600.82
  5. Step 5: Solve for x
    x = 63,493,983,600.82/370,425.64
  6. Step 6: Final answer
    x = 171,408.18

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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.