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Finding the Fourth Proportional to 384,404.14, 576,661.47 and 118,187.02

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Solution

The fourth proportional to 384,404.14, 576,661.47 and 118,187.02 is: 177,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,404.14 : 576,661.47 = 118,187.02 : x
  2. Step 2: Convert to fraction form
    384,404.14/576,661.47 = 118,187.02/x
  3. Step 3: Cross multiply
    384,404.14x = 576,661.47 × 118,187.02
  4. Step 4: Simplify right side
    384,404.14x = 68,153,900,688.12
  5. Step 5: Solve for x
    x = 68,153,900,688.12/384,404.14
  6. Step 6: Final answer
    x = 177,297.52

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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.