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Finding the Fourth Proportional to 356,259,849.60, 534,389,774.40 and 356,259,849.60

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Solution

The fourth proportional to 356,259,849.60, 534,389,774.40 and 356,259,849.60 is: 534,389,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,259,849.60 : 534,389,774.40 = 356,259,849.60 : x
  2. Step 2: Convert to fraction form
    356,259,849.60/534,389,774.40 = 356,259,849.60/x
  3. Step 3: Cross multiply
    356,259,849.60x = 534,389,774.40 × 356,259,849.60
  4. Step 4: Simplify right side
    356,259,849.60x = 190,381,620,655,521,920
  5. Step 5: Solve for x
    x = 190,381,620,655,521,920/356,259,849.60
  6. Step 6: Final answer
    x = 534,389,774.40

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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.