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Finding the Fourth Proportional to 382,212.60, 572,662.80 and 249,024.30

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Solution

The fourth proportional to 382,212.60, 572,662.80 and 249,024.30 is: 373,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,212.60 : 572,662.80 = 249,024.30 : x
  2. Step 2: Convert to fraction form
    382,212.60/572,662.80 = 249,024.30/x
  3. Step 3: Cross multiply
    382,212.60x = 572,662.80 × 249,024.30
  4. Step 4: Simplify right side
    382,212.60x = 142,606,952,906.04
  5. Step 5: Solve for x
    x = 142,606,952,906.04/382,212.60
  6. Step 6: Final answer
    x = 373,108.98

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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.