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Finding the Fourth Proportional to 395,516.70, 593,145.45 and 146,166.30

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Solution

The fourth proportional to 395,516.70, 593,145.45 and 146,166.30 is: 219,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,516.70 : 593,145.45 = 146,166.30 : x
  2. Step 2: Convert to fraction form
    395,516.70/593,145.45 = 146,166.30/x
  3. Step 3: Cross multiply
    395,516.70x = 593,145.45 × 146,166.30
  4. Step 4: Simplify right side
    395,516.70x = 86,697,875,788.34
  5. Step 5: Solve for x
    x = 86,697,875,788.34/395,516.70
  6. Step 6: Final answer
    x = 219,201.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.