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Finding the Fourth Proportional to 407,636.67, 562,590.50 and 246,492.87

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Solution

The fourth proportional to 407,636.67, 562,590.50 and 246,492.87 is: 340,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,636.67 : 562,590.50 = 246,492.87 : x
  2. Step 2: Convert to fraction form
    407,636.67/562,590.50 = 246,492.87/x
  3. Step 3: Cross multiply
    407,636.67x = 562,590.50 × 246,492.87
  4. Step 4: Simplify right side
    407,636.67x = 138,674,546,979.74
  5. Step 5: Solve for x
    x = 138,674,546,979.74/407,636.67
  6. Step 6: Final answer
    x = 340,191.54

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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.