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Finding the Fourth Proportional to 545,768.64, 818,595.72 and 146,450.34

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Solution

The fourth proportional to 545,768.64, 818,595.72 and 146,450.34 is: 219,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,768.64 : 818,595.72 = 146,450.34 : x
  2. Step 2: Convert to fraction form
    545,768.64/818,595.72 = 146,450.34/x
  3. Step 3: Cross multiply
    545,768.64x = 818,595.72 × 146,450.34
  4. Step 4: Simplify right side
    545,768.64x = 119,883,621,516.55
  5. Step 5: Solve for x
    x = 119,883,621,516.55/545,768.64
  6. Step 6: Final answer
    x = 219,660.15

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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.