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Finding the Fourth Proportional to 407,646.88, 562,604.54 and 246,503.05

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Solution

The fourth proportional to 407,646.88, 562,604.54 and 246,503.05 is: 340,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,646.88 : 562,604.54 = 246,503.05 : x
  2. Step 2: Convert to fraction form
    407,646.88/562,604.54 = 246,503.05/x
  3. Step 3: Cross multiply
    407,646.88x = 562,604.54 × 246,503.05
  4. Step 4: Simplify right side
    407,646.88x = 138,683,732,414.82
  5. Step 5: Solve for x
    x = 138,683,732,414.82/407,646.88
  6. Step 6: Final answer
    x = 340,205.56

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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.