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Finding the Fourth Proportional to 407,647.67, 562,605.66 and 246,503.88

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Solution

The fourth proportional to 407,647.67, 562,605.66 and 246,503.88 is: 340,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,647.67 : 562,605.66 = 246,503.88 : x
  2. Step 2: Convert to fraction form
    407,647.67/562,605.66 = 246,503.88/x
  3. Step 3: Cross multiply
    407,647.67x = 562,605.66 × 246,503.88
  4. Step 4: Simplify right side
    407,647.67x = 138,684,478,099.96
  5. Step 5: Solve for x
    x = 138,684,478,099.96/407,647.67
  6. Step 6: Final answer
    x = 340,206.73

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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.