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Finding the Fourth Proportional to 384,388.66, 576,585.04 and 252,106.60

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Solution

The fourth proportional to 384,388.66, 576,585.04 and 252,106.60 is: 378,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,388.66 : 576,585.04 = 252,106.60 : x
  2. Step 2: Convert to fraction form
    384,388.66/576,585.04 = 252,106.60/x
  3. Step 3: Cross multiply
    384,388.66x = 576,585.04 × 252,106.60
  4. Step 4: Simplify right side
    384,388.66x = 145,360,894,045.26
  5. Step 5: Solve for x
    x = 145,360,894,045.26/384,388.66
  6. Step 6: Final answer
    x = 378,161.24

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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.