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Finding the Fourth Proportional to 438,241.96, 604,801.56 and 247,185.64

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Solution

The fourth proportional to 438,241.96, 604,801.56 and 247,185.64 is: 341,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,241.96 : 604,801.56 = 247,185.64 : x
  2. Step 2: Convert to fraction form
    438,241.96/604,801.56 = 247,185.64/x
  3. Step 3: Cross multiply
    438,241.96x = 604,801.56 × 247,185.64
  4. Step 4: Simplify right side
    438,241.96x = 149,498,260,681.60
  5. Step 5: Solve for x
    x = 149,498,260,681.60/438,241.96
  6. Step 6: Final answer
    x = 341,131.78

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1.5x scale

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.