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Finding the Fourth Proportional to 329,700.39, 455,011.01 and 184,520.72

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Solution

The fourth proportional to 329,700.39, 455,011.01 and 184,520.72 is: 254,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,700.39 : 455,011.01 = 184,520.72 : x
  2. Step 2: Convert to fraction form
    329,700.39/455,011.01 = 184,520.72/x
  3. Step 3: Cross multiply
    329,700.39x = 455,011.01 × 184,520.72
  4. Step 4: Simplify right side
    329,700.39x = 83,958,955,975.47
  5. Step 5: Solve for x
    x = 83,958,955,975.47/329,700.39
  6. Step 6: Final answer
    x = 254,652.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.