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Finding the Fourth Proportional to 330,874.43, 456,588.14 and 185,666.67

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Solution

The fourth proportional to 330,874.43, 456,588.14 and 185,666.67 is: 256,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,874.43 : 456,588.14 = 185,666.67 : x
  2. Step 2: Convert to fraction form
    330,874.43/456,588.14 = 185,666.67/x
  3. Step 3: Cross multiply
    330,874.43x = 456,588.14 × 185,666.67
  4. Step 4: Simplify right side
    330,874.43x = 84,773,198,586.96
  5. Step 5: Solve for x
    x = 84,773,198,586.96/330,874.43
  6. Step 6: Final answer
    x = 256,209.58

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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.