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Finding the Fourth Proportional to 422,706, 583,374.62 and 241,445.01

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Solution

The fourth proportional to 422,706, 583,374.62 and 241,445.01 is: 333,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,706 : 583,374.62 = 241,445.01 : x
  2. Step 2: Convert to fraction form
    422,706/583,374.62 = 241,445.01/x
  3. Step 3: Cross multiply
    422,706x = 583,374.62 × 241,445.01
  4. Step 4: Simplify right side
    422,706x = 140,852,891,563.26
  5. Step 5: Solve for x
    x = 140,852,891,563.26/422,706
  6. Step 6: Final answer
    x = 333,217.16

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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.