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Finding the Fourth Proportional to 407,893, 562,807 and 246,716.52

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Solution

The fourth proportional to 407,893, 562,807 and 246,716.52 is: 340,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,893 : 562,807 = 246,716.52 : x
  2. Step 2: Convert to fraction form
    407,893/562,807 = 246,716.52/x
  3. Step 3: Cross multiply
    407,893x = 562,807 × 246,716.52
  4. Step 4: Simplify right side
    407,893x = 138,853,784,471.64
  5. Step 5: Solve for x
    x = 138,853,784,471.64/407,893
  6. Step 6: Final answer
    x = 340,417.18

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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.