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Finding the Fourth Proportional to 407,790.01, 562,954.76 and 254,913.24

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Solution

The fourth proportional to 407,790.01, 562,954.76 and 254,913.24 is: 351,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,790.01 : 562,954.76 = 254,913.24 : x
  2. Step 2: Convert to fraction form
    407,790.01/562,954.76 = 254,913.24/x
  3. Step 3: Cross multiply
    407,790.01x = 562,954.76 × 254,913.24
  4. Step 4: Simplify right side
    407,790.01x = 143,504,621,845.02
  5. Step 5: Solve for x
    x = 143,504,621,845.02/407,790.01
  6. Step 6: Final answer
    x = 351,908.13

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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.