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Finding the Fourth Proportional to 329,706.07, 455,018.86 and 184,526.42

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Solution

The fourth proportional to 329,706.07, 455,018.86 and 184,526.42 is: 254,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,706.07 : 455,018.86 = 184,526.42 : x
  2. Step 2: Convert to fraction form
    329,706.07/455,018.86 = 184,526.42/x
  3. Step 3: Cross multiply
    329,706.07x = 455,018.86 × 184,526.42
  4. Step 4: Simplify right side
    329,706.07x = 83,963,001,268.28
  5. Step 5: Solve for x
    x = 83,963,001,268.28/329,706.07
  6. Step 6: Final answer
    x = 254,660.16

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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.