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Finding the Fourth Proportional to 469,700.64, 704,682.99 and 154,378.98

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Solution

The fourth proportional to 469,700.64, 704,682.99 and 154,378.98 is: 231,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,700.64 : 704,682.99 = 154,378.98 : x
  2. Step 2: Convert to fraction form
    469,700.64/704,682.99 = 154,378.98/x
  3. Step 3: Cross multiply
    469,700.64x = 704,682.99 × 154,378.98
  4. Step 4: Simplify right side
    469,700.64x = 108,788,241,219.55
  5. Step 5: Solve for x
    x = 108,788,241,219.55/469,700.64
  6. Step 6: Final answer
    x = 231,611.86

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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.