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Finding the Fourth Proportional to 394,415,315.80, 590,489,232.90 and 241,360,307.80

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Solution

The fourth proportional to 394,415,315.80, 590,489,232.90 and 241,360,307.80 is: 361,346,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,415,315.80 : 590,489,232.90 = 241,360,307.80 : x
  2. Step 2: Convert to fraction form
    394,415,315.80/590,489,232.90 = 241,360,307.80/x
  3. Step 3: Cross multiply
    394,415,315.80x = 590,489,232.90 × 241,360,307.80
  4. Step 4: Simplify right side
    394,415,315.80x = 142,520,663,005,329,888
  5. Step 5: Solve for x
    x = 142,520,663,005,329,888/394,415,315.80
  6. Step 6: Final answer
    x = 361,346,675.18

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