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Finding the Fourth Proportional to 303,480.23, 418,770.27 and 174,392.55

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Solution

The fourth proportional to 303,480.23, 418,770.27 and 174,392.55 is: 240,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,480.23 : 418,770.27 = 174,392.55 : x
  2. Step 2: Convert to fraction form
    303,480.23/418,770.27 = 174,392.55/x
  3. Step 3: Cross multiply
    303,480.23x = 418,770.27 × 174,392.55
  4. Step 4: Simplify right side
    303,480.23x = 73,030,415,249.49
  5. Step 5: Solve for x
    x = 73,030,415,249.49/303,480.23
  6. Step 6: Final answer
    x = 240,643.08

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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.