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Finding the Fourth Proportional to 617,474.04, 852,150.06 and 345,539.56

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Solution

The fourth proportional to 617,474.04, 852,150.06 and 345,539.56 is: 476,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,474.04 : 852,150.06 = 345,539.56 : x
  2. Step 2: Convert to fraction form
    617,474.04/852,150.06 = 345,539.56/x
  3. Step 3: Cross multiply
    617,474.04x = 852,150.06 × 345,539.56
  4. Step 4: Simplify right side
    617,474.04x = 294,451,556,786.37
  5. Step 5: Solve for x
    x = 294,451,556,786.37/617,474.04
  6. Step 6: Final answer
    x = 476,864.67

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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.