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Finding the Fourth Proportional to 384,740.99, 577,173.50 and 118,501.38

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Solution

The fourth proportional to 384,740.99, 577,173.50 and 118,501.38 is: 177,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,740.99 : 577,173.50 = 118,501.38 : x
  2. Step 2: Convert to fraction form
    384,740.99/577,173.50 = 118,501.38/x
  3. Step 3: Cross multiply
    384,740.99x = 577,173.50 × 118,501.38
  4. Step 4: Simplify right side
    384,740.99x = 68,395,856,101.30
  5. Step 5: Solve for x
    x = 68,395,856,101.30/384,740.99
  6. Step 6: Final answer
    x = 177,771.17

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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.