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Finding the Fourth Proportional to 340,950.63, 470,397.63 and 220,173.56

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Solution

The fourth proportional to 340,950.63, 470,397.63 and 220,173.56 is: 303,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,950.63 : 470,397.63 = 220,173.56 : x
  2. Step 2: Convert to fraction form
    340,950.63/470,397.63 = 220,173.56/x
  3. Step 3: Cross multiply
    340,950.63x = 470,397.63 × 220,173.56
  4. Step 4: Simplify right side
    340,950.63x = 103,569,120,812.66
  5. Step 5: Solve for x
    x = 103,569,120,812.66/340,950.63
  6. Step 6: Final answer
    x = 303,765.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.