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Finding the Fourth Proportional to 450,462.61, 621,638.22 and 246,513.52

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Solution

The fourth proportional to 450,462.61, 621,638.22 and 246,513.52 is: 340,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,462.61 : 621,638.22 = 246,513.52 : x
  2. Step 2: Convert to fraction form
    450,462.61/621,638.22 = 246,513.52/x
  3. Step 3: Cross multiply
    450,462.61x = 621,638.22 × 246,513.52
  4. Step 4: Simplify right side
    450,462.61x = 153,242,224,224.64
  5. Step 5: Solve for x
    x = 153,242,224,224.64/450,462.61
  6. Step 6: Final answer
    x = 340,188.56

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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.