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Finding the Fourth Proportional to 382,051.60, 572,421.30 and 248,863.30

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Solution

The fourth proportional to 382,051.60, 572,421.30 and 248,863.30 is: 372,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,051.60 : 572,421.30 = 248,863.30 : x
  2. Step 2: Convert to fraction form
    382,051.60/572,421.30 = 248,863.30/x
  3. Step 3: Cross multiply
    382,051.60x = 572,421.30 × 248,863.30
  4. Step 4: Simplify right side
    382,051.60x = 142,454,653,708.29
  5. Step 5: Solve for x
    x = 142,454,653,708.29/382,051.60
  6. Step 6: Final answer
    x = 372,867.58

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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.