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Finding the Fourth Proportional to 524,588,438.63, 786,920,449.30 and 201,472,310.63

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Solution

The fourth proportional to 524,588,438.63, 786,920,449.30 and 201,472,310.63 is: 302,222,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,588,438.63 : 786,920,449.30 = 201,472,310.63 : x
  2. Step 2: Convert to fraction form
    524,588,438.63/786,920,449.30 = 201,472,310.63/x
  3. Step 3: Cross multiply
    524,588,438.63x = 786,920,449.30 × 201,472,310.63
  4. Step 4: Simplify right side
    524,588,438.63x = 158,542,681,198,534,144
  5. Step 5: Solve for x
    x = 158,542,681,198,534,144/524,588,438.63
  6. Step 6: Final answer
    x = 302,222,980.01

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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.