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Finding the Fourth Proportional to 573,274,383, 859,902,933.12 and 257,917,705.04

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Solution

The fourth proportional to 573,274,383, 859,902,933.12 and 257,917,705.04 is: 386,872,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,274,383 : 859,902,933.12 = 257,917,705.04 : x
  2. Step 2: Convert to fraction form
    573,274,383/859,902,933.12 = 257,917,705.04/x
  3. Step 3: Cross multiply
    573,274,383x = 859,902,933.12 × 257,917,705.04
  4. Step 4: Simplify right side
    573,274,383x = 221,784,191,067,475,008
  5. Step 5: Solve for x
    x = 221,784,191,067,475,008/573,274,383
  6. Step 6: Final answer
    x = 386,872,669.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.