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Finding the Fourth Proportional to 437,428.24, 603,651 and 236,224.24

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Solution

The fourth proportional to 437,428.24, 603,651 and 236,224.24 is: 325,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,428.24 : 603,651 = 236,224.24 : x
  2. Step 2: Convert to fraction form
    437,428.24/603,651 = 236,224.24/x
  3. Step 3: Cross multiply
    437,428.24x = 603,651 × 236,224.24
  4. Step 4: Simplify right side
    437,428.24x = 142,596,998,700.24
  5. Step 5: Solve for x
    x = 142,596,998,700.24/437,428.24
  6. Step 6: Final answer
    x = 325,989.47

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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.