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Finding the Fourth Proportional to 382,287.60, 572,775.30 and 249,099.30

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Solution

The fourth proportional to 382,287.60, 572,775.30 and 249,099.30 is: 373,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,287.60 : 572,775.30 = 249,099.30 : x
  2. Step 2: Convert to fraction form
    382,287.60/572,775.30 = 249,099.30/x
  3. Step 3: Cross multiply
    382,287.60x = 572,775.30 × 249,099.30
  4. Step 4: Simplify right side
    382,287.60x = 142,677,926,287.29
  5. Step 5: Solve for x
    x = 142,677,926,287.29/382,287.60
  6. Step 6: Final answer
    x = 373,221.43

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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.