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Finding the Fourth Proportional to 345,854.34, 477,266.58 and 192,884.22

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Solution

The fourth proportional to 345,854.34, 477,266.58 and 192,884.22 is: 266,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,854.34 : 477,266.58 = 192,884.22 : x
  2. Step 2: Convert to fraction form
    345,854.34/477,266.58 = 192,884.22/x
  3. Step 3: Cross multiply
    345,854.34x = 477,266.58 × 192,884.22
  4. Step 4: Simplify right side
    345,854.34x = 92,057,192,015.37
  5. Step 5: Solve for x
    x = 92,057,192,015.37/345,854.34
  6. Step 6: Final answer
    x = 266,173.30

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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.