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Finding the Fourth Proportional to 384,432.90, 576,754.56 and 184,920.18

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Solution

The fourth proportional to 384,432.90, 576,754.56 and 184,920.18 is: 277,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,432.90 : 576,754.56 = 184,920.18 : x
  2. Step 2: Convert to fraction form
    384,432.90/576,754.56 = 184,920.18/x
  3. Step 3: Cross multiply
    384,432.90x = 576,754.56 × 184,920.18
  4. Step 4: Simplify right side
    384,432.90x = 106,653,557,051.02
  5. Step 5: Solve for x
    x = 106,653,557,051.02/384,432.90
  6. Step 6: Final answer
    x = 277,430.88

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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.