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Finding the Fourth Proportional to 407,818.17, 562,662.09 and 235,673.42

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Solution

The fourth proportional to 407,818.17, 562,662.09 and 235,673.42 is: 325,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,818.17 : 562,662.09 = 235,673.42 : x
  2. Step 2: Convert to fraction form
    407,818.17/562,662.09 = 235,673.42/x
  3. Step 3: Cross multiply
    407,818.17x = 562,662.09 × 235,673.42
  4. Step 4: Simplify right side
    407,818.17x = 132,604,496,241.34
  5. Step 5: Solve for x
    x = 132,604,496,241.34/407,818.17
  6. Step 6: Final answer
    x = 325,155.93

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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.