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Finding the Fourth Proportional to 303,017.74, 418,202.34 and 173,996.59

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Solution

The fourth proportional to 303,017.74, 418,202.34 and 173,996.59 is: 240,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,017.74 : 418,202.34 = 173,996.59 : x
  2. Step 2: Convert to fraction form
    303,017.74/418,202.34 = 173,996.59/x
  3. Step 3: Cross multiply
    303,017.74x = 418,202.34 × 173,996.59
  4. Step 4: Simplify right side
    303,017.74x = 72,765,779,392.03
  5. Step 5: Solve for x
    x = 72,765,779,392.03/303,017.74
  6. Step 6: Final answer
    x = 240,137.03

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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.