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Finding the Fourth Proportional to 384,065.60, 575,061.60 and 301,121.60

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Solution

The fourth proportional to 384,065.60, 575,061.60 and 301,121.60 is: 450,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,065.60 : 575,061.60 = 301,121.60 : x
  2. Step 2: Convert to fraction form
    384,065.60/575,061.60 = 301,121.60/x
  3. Step 3: Cross multiply
    384,065.60x = 575,061.60 × 301,121.60
  4. Step 4: Simplify right side
    384,065.60x = 173,163,469,090.56
  5. Step 5: Solve for x
    x = 173,163,469,090.56/384,065.60
  6. Step 6: Final answer
    x = 450,869.51

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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.