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Finding the Fourth Proportional to 370,262.72, 555,420 and 183,224

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Solution

The fourth proportional to 370,262.72, 555,420 and 183,224 is: 274,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,262.72 : 555,420 = 183,224 : x
  2. Step 2: Convert to fraction form
    370,262.72/555,420 = 183,224/x
  3. Step 3: Cross multiply
    370,262.72x = 555,420 × 183,224
  4. Step 4: Simplify right side
    370,262.72x = 101,766,274,080
  5. Step 5: Solve for x
    x = 101,766,274,080/370,262.72
  6. Step 6: Final answer
    x = 274,848.83

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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.