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Finding the Fourth Proportional to 325,636.94, 487,614.20 and 224,746.40

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Solution

The fourth proportional to 325,636.94, 487,614.20 and 224,746.40 is: 336,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,636.94 : 487,614.20 = 224,746.40 : x
  2. Step 2: Convert to fraction form
    325,636.94/487,614.20 = 224,746.40/x
  3. Step 3: Cross multiply
    325,636.94x = 487,614.20 × 224,746.40
  4. Step 4: Simplify right side
    325,636.94x = 109,589,532,477.08
  5. Step 5: Solve for x
    x = 109,589,532,477.08/325,636.94
  6. Step 6: Final answer
    x = 336,539.01

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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.