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Finding the Fourth Proportional to 303,376.49, 418,659.23 and 167,410.40

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Solution

The fourth proportional to 303,376.49, 418,659.23 and 167,410.40 is: 231,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,376.49 : 418,659.23 = 167,410.40 : x
  2. Step 2: Convert to fraction form
    303,376.49/418,659.23 = 167,410.40/x
  3. Step 3: Cross multiply
    303,376.49x = 418,659.23 × 167,410.40
  4. Step 4: Simplify right side
    303,376.49x = 70,087,907,483.22
  5. Step 5: Solve for x
    x = 70,087,907,483.22/303,376.49
  6. Step 6: Final answer
    x = 231,026.17

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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.