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Finding the Fourth Proportional to 469,589.75, 704,384.64 and 220,271.75

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Solution

The fourth proportional to 469,589.75, 704,384.64 and 220,271.75 is: 330,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,589.75 : 704,384.64 = 220,271.75 : x
  2. Step 2: Convert to fraction form
    469,589.75/704,384.64 = 220,271.75/x
  3. Step 3: Cross multiply
    469,589.75x = 704,384.64 × 220,271.75
  4. Step 4: Simplify right side
    469,589.75x = 155,156,037,325.92
  5. Step 5: Solve for x
    x = 155,156,037,325.92/469,589.75
  6. Step 6: Final answer
    x = 330,407.63

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Similar ratio
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1.5x scale

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.