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Finding the Fourth Proportional to 321,053.52, 481,585.02 and 152,591.04

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Solution

The fourth proportional to 321,053.52, 481,585.02 and 152,591.04 is: 228,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,053.52 : 481,585.02 = 152,591.04 : x
  2. Step 2: Convert to fraction form
    321,053.52/481,585.02 = 152,591.04/x
  3. Step 3: Cross multiply
    321,053.52x = 481,585.02 × 152,591.04
  4. Step 4: Simplify right side
    321,053.52x = 73,485,559,050.22
  5. Step 5: Solve for x
    x = 73,485,559,050.22/321,053.52
  6. Step 6: Final answer
    x = 228,888.81

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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.