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Finding the Fourth Proportional to 228,300.80, 315,356.08 and 175,241.44

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Solution

The fourth proportional to 228,300.80, 315,356.08 and 175,241.44 is: 242,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,300.80 : 315,356.08 = 175,241.44 : x
  2. Step 2: Convert to fraction form
    228,300.80/315,356.08 = 175,241.44/x
  3. Step 3: Cross multiply
    228,300.80x = 315,356.08 × 175,241.44
  4. Step 4: Simplify right side
    228,300.80x = 55,263,453,571.96
  5. Step 5: Solve for x
    x = 55,263,453,571.96/228,300.80
  6. Step 6: Final answer
    x = 242,064.21

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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.