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Finding the Fourth Proportional to 384,301.60, 576,106.80 and 251,245.60

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Solution

The fourth proportional to 384,301.60, 576,106.80 and 251,245.60 is: 376,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,301.60 : 576,106.80 = 251,245.60 : x
  2. Step 2: Convert to fraction form
    384,301.60/576,106.80 = 251,245.60/x
  3. Step 3: Cross multiply
    384,301.60x = 576,106.80 × 251,245.60
  4. Step 4: Simplify right side
    384,301.60x = 144,744,298,630.08
  5. Step 5: Solve for x
    x = 144,744,298,630.08/384,301.60
  6. Step 6: Final answer
    x = 376,642.46

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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.