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Finding the Fourth Proportional to 796,509.76, 1,099,224.48 and 438,813.76

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Solution

The fourth proportional to 796,509.76, 1,099,224.48 and 438,813.76 is: 605,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,509.76 : 1,099,224.48 = 438,813.76 : x
  2. Step 2: Convert to fraction form
    796,509.76/1,099,224.48 = 438,813.76/x
  3. Step 3: Cross multiply
    796,509.76x = 1,099,224.48 × 438,813.76
  4. Step 4: Simplify right side
    796,509.76x = 482,354,827,152.85
  5. Step 5: Solve for x
    x = 482,354,827,152.85/796,509.76
  6. Step 6: Final answer
    x = 605,585.58

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Double scale
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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.