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Finding the Fourth Proportional to 303,484.30, 418,808.36 and 167,518.28

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Solution

The fourth proportional to 303,484.30, 418,808.36 and 167,518.28 is: 231,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,484.30 : 418,808.36 = 167,518.28 : x
  2. Step 2: Convert to fraction form
    303,484.30/418,808.36 = 167,518.28/x
  3. Step 3: Cross multiply
    303,484.30x = 418,808.36 × 167,518.28
  4. Step 4: Simplify right side
    303,484.30x = 70,158,056,326.25
  5. Step 5: Solve for x
    x = 70,158,056,326.25/303,484.30
  6. Step 6: Final answer
    x = 231,175.24

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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.