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Finding the Fourth Proportional to 374,591.25, 561,887.42 and 152,975.25

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Solution

The fourth proportional to 374,591.25, 561,887.42 and 152,975.25 is: 229,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,591.25 : 561,887.42 = 152,975.25 : x
  2. Step 2: Convert to fraction form
    374,591.25/561,887.42 = 152,975.25/x
  3. Step 3: Cross multiply
    374,591.25x = 561,887.42 × 152,975.25
  4. Step 4: Simplify right side
    374,591.25x = 85,954,867,781.48
  5. Step 5: Solve for x
    x = 85,954,867,781.48/374,591.25
  6. Step 6: Final answer
    x = 229,463.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.