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Finding the Fourth Proportional to 427,860.61, 590,446.62 and 246,570.96

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Solution

The fourth proportional to 427,860.61, 590,446.62 and 246,570.96 is: 340,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,860.61 : 590,446.62 = 246,570.96 : x
  2. Step 2: Convert to fraction form
    427,860.61/590,446.62 = 246,570.96/x
  3. Step 3: Cross multiply
    427,860.61x = 590,446.62 × 246,570.96
  4. Step 4: Simplify right side
    427,860.61x = 145,586,989,922.16
  5. Step 5: Solve for x
    x = 145,586,989,922.16/427,860.61
  6. Step 6: Final answer
    x = 340,267.34

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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.