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Finding the Fourth Proportional to 303,292.80, 418,549.41 and 167,334.30

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Solution

The fourth proportional to 303,292.80, 418,549.41 and 167,334.30 is: 230,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,292.80 : 418,549.41 = 167,334.30 : x
  2. Step 2: Convert to fraction form
    303,292.80/418,549.41 = 167,334.30/x
  3. Step 3: Cross multiply
    303,292.80x = 418,549.41 × 167,334.30
  4. Step 4: Simplify right side
    303,292.80x = 70,037,672,537.76
  5. Step 5: Solve for x
    x = 70,037,672,537.76/303,292.80
  6. Step 6: Final answer
    x = 230,924.28

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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.