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Finding the Fourth Proportional to 339,604.52, 508,631.04 and 162,237.20

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Solution

The fourth proportional to 339,604.52, 508,631.04 and 162,237.20 is: 242,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,604.52 : 508,631.04 = 162,237.20 : x
  2. Step 2: Convert to fraction form
    339,604.52/508,631.04 = 162,237.20/x
  3. Step 3: Cross multiply
    339,604.52x = 508,631.04 × 162,237.20
  4. Step 4: Simplify right side
    339,604.52x = 82,518,875,762.69
  5. Step 5: Solve for x
    x = 82,518,875,762.69/339,604.52
  6. Step 6: Final answer
    x = 242,985.21

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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.