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Finding the Fourth Proportional to 329,702.81, 455,009.06 and 184,507.36

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Solution

The fourth proportional to 329,702.81, 455,009.06 and 184,507.36 is: 254,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,702.81 : 455,009.06 = 184,507.36 : x
  2. Step 2: Convert to fraction form
    329,702.81/455,009.06 = 184,507.36/x
  3. Step 3: Cross multiply
    329,702.81x = 455,009.06 × 184,507.36
  4. Step 4: Simplify right side
    329,702.81x = 83,952,518,376.62
  5. Step 5: Solve for x
    x = 83,952,518,376.62/329,702.81
  6. Step 6: Final answer
    x = 254,630.89

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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.