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Finding the Fourth Proportional to 382,281.40, 573,681.30 and 248,836.60

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Solution

The fourth proportional to 382,281.40, 573,681.30 and 248,836.60 is: 373,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,281.40 : 573,681.30 = 248,836.60 : x
  2. Step 2: Convert to fraction form
    382,281.40/573,681.30 = 248,836.60/x
  3. Step 3: Cross multiply
    382,281.40x = 573,681.30 × 248,836.60
  4. Step 4: Simplify right side
    382,281.40x = 142,752,904,175.58
  5. Step 5: Solve for x
    x = 142,752,904,175.58/382,281.40
  6. Step 6: Final answer
    x = 373,423.62

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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.