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Finding the Fourth Proportional to 303,165.30, 418,374.84 and 167,203.32

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Solution

The fourth proportional to 303,165.30, 418,374.84 and 167,203.32 is: 230,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,165.30 : 418,374.84 = 167,203.32 : x
  2. Step 2: Convert to fraction form
    303,165.30/418,374.84 = 167,203.32/x
  3. Step 3: Cross multiply
    303,165.30x = 418,374.84 × 167,203.32
  4. Step 4: Simplify right side
    303,165.30x = 69,953,662,252.47
  5. Step 5: Solve for x
    x = 69,953,662,252.47/303,165.30
  6. Step 6: Final answer
    x = 230,744.29

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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.