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Finding the Fourth Proportional to 329,703.06, 455,009.40 and 184,507.61

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Solution

The fourth proportional to 329,703.06, 455,009.40 and 184,507.61 is: 254,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,703.06 : 455,009.40 = 184,507.61 : x
  2. Step 2: Convert to fraction form
    329,703.06/455,009.40 = 184,507.61/x
  3. Step 3: Cross multiply
    329,703.06x = 455,009.40 × 184,507.61
  4. Step 4: Simplify right side
    329,703.06x = 83,952,696,921.53
  5. Step 5: Solve for x
    x = 83,952,696,921.53/329,703.06
  6. Step 6: Final answer
    x = 254,631.23

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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.