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Finding the Fourth Proportional to 302,885.75, 417,985.17 and 166,924.67

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Solution

The fourth proportional to 302,885.75, 417,985.17 and 166,924.67 is: 230,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,885.75 : 417,985.17 = 166,924.67 : x
  2. Step 2: Convert to fraction form
    302,885.75/417,985.17 = 166,924.67/x
  3. Step 3: Cross multiply
    302,885.75x = 417,985.17 × 166,924.67
  4. Step 4: Simplify right side
    302,885.75x = 69,772,036,567.14
  5. Step 5: Solve for x
    x = 69,772,036,567.14/302,885.75
  6. Step 6: Final answer
    x = 230,357.61

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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.