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Finding the Fourth Proportional to 384,060.80, 575,659.20 and 184,476.80

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Solution

The fourth proportional to 384,060.80, 575,659.20 and 184,476.80 is: 276,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,060.80 : 575,659.20 = 184,476.80 : x
  2. Step 2: Convert to fraction form
    384,060.80/575,659.20 = 184,476.80/x
  3. Step 3: Cross multiply
    384,060.80x = 575,659.20 × 184,476.80
  4. Step 4: Simplify right side
    384,060.80x = 106,195,767,106.56
  5. Step 5: Solve for x
    x = 106,195,767,106.56/384,060.80
  6. Step 6: Final answer
    x = 276,507.70

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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.