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Finding the Fourth Proportional to 301,035.18, 415,447.18 and 166,899.18

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Solution

The fourth proportional to 301,035.18, 415,447.18 and 166,899.18 is: 230,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,035.18 : 415,447.18 = 166,899.18 : x
  2. Step 2: Convert to fraction form
    301,035.18/415,447.18 = 166,899.18/x
  3. Step 3: Cross multiply
    301,035.18x = 415,447.18 × 166,899.18
  4. Step 4: Simplify right side
    301,035.18x = 69,337,793,675.31
  5. Step 5: Solve for x
    x = 69,337,793,675.31/301,035.18
  6. Step 6: Final answer
    x = 230,331.20

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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.