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Finding the Fourth Proportional to 483,541.70, 725,057.40 and 163,583.60

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Solution

The fourth proportional to 483,541.70, 725,057.40 and 163,583.60 is: 245,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,541.70 : 725,057.40 = 163,583.60 : x
  2. Step 2: Convert to fraction form
    483,541.70/725,057.40 = 163,583.60/x
  3. Step 3: Cross multiply
    483,541.70x = 725,057.40 × 163,583.60
  4. Step 4: Simplify right side
    483,541.70x = 118,607,499,698.64
  5. Step 5: Solve for x
    x = 118,607,499,698.64/483,541.70
  6. Step 6: Final answer
    x = 245,289.08

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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.