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Finding the Fourth Proportional to 323,528.04, 485,357.67 and 113,313.60

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Solution

The fourth proportional to 323,528.04, 485,357.67 and 113,313.60 is: 169,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,528.04 : 485,357.67 = 113,313.60 : x
  2. Step 2: Convert to fraction form
    323,528.04/485,357.67 = 113,313.60/x
  3. Step 3: Cross multiply
    323,528.04x = 485,357.67 × 113,313.60
  4. Step 4: Simplify right side
    323,528.04x = 54,997,624,875.31
  5. Step 5: Solve for x
    x = 54,997,624,875.31/323,528.04
  6. Step 6: Final answer
    x = 169,993.38

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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.