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Finding the Fourth Proportional to 408,720.10, 613,095.54 and 184,037.44

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Solution

The fourth proportional to 408,720.10, 613,095.54 and 184,037.44 is: 276,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,720.10 : 613,095.54 = 184,037.44 : x
  2. Step 2: Convert to fraction form
    408,720.10/613,095.54 = 184,037.44/x
  3. Step 3: Cross multiply
    408,720.10x = 613,095.54 × 184,037.44
  4. Step 4: Simplify right side
    408,720.10x = 112,832,533,657.02
  5. Step 5: Solve for x
    x = 112,832,533,657.02/408,720.10
  6. Step 6: Final answer
    x = 276,063.09

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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.