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Finding the Fourth Proportional to 407,889.17, 562,896.89 and 226,608.74

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Solution

The fourth proportional to 407,889.17, 562,896.89 and 226,608.74 is: 312,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,889.17 : 562,896.89 = 226,608.74 : x
  2. Step 2: Convert to fraction form
    407,889.17/562,896.89 = 226,608.74/x
  3. Step 3: Cross multiply
    407,889.17x = 562,896.89 × 226,608.74
  4. Step 4: Simplify right side
    407,889.17x = 127,557,355,280.61
  5. Step 5: Solve for x
    x = 127,557,355,280.61/407,889.17
  6. Step 6: Final answer
    x = 312,725.53

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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.