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Finding the Fourth Proportional to 601,742.56, 902,380.56 and 321,106.72

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Solution

The fourth proportional to 601,742.56, 902,380.56 and 321,106.72 is: 481,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,742.56 : 902,380.56 = 321,106.72 : x
  2. Step 2: Convert to fraction form
    601,742.56/902,380.56 = 321,106.72/x
  3. Step 3: Cross multiply
    601,742.56x = 902,380.56 × 321,106.72
  4. Step 4: Simplify right side
    601,742.56x = 289,760,461,813.36
  5. Step 5: Solve for x
    x = 289,760,461,813.36/601,742.56
  6. Step 6: Final answer
    x = 481,535.60

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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.