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Finding the Fourth Proportional to 329,890,728.59, 455,250,265.40 and 183,213,008.27

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Solution

The fourth proportional to 329,890,728.59, 455,250,265.40 and 183,213,008.27 is: 252,834,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,890,728.59 : 455,250,265.40 = 183,213,008.27 : x
  2. Step 2: Convert to fraction form
    329,890,728.59/455,250,265.40 = 183,213,008.27/x
  3. Step 3: Cross multiply
    329,890,728.59x = 455,250,265.40 × 183,213,008.27
  4. Step 4: Simplify right side
    329,890,728.59x = 83,407,770,637,831,664
  5. Step 5: Solve for x
    x = 83,407,770,637,831,664/329,890,728.59
  6. Step 6: Final answer
    x = 252,834,540.08

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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.