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Finding the Fourth Proportional to 389,775.36, 584,651.52 and 337,031.04

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Solution

The fourth proportional to 389,775.36, 584,651.52 and 337,031.04 is: 505,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,775.36 : 584,651.52 = 337,031.04 : x
  2. Step 2: Convert to fraction form
    389,775.36/584,651.52 = 337,031.04/x
  3. Step 3: Cross multiply
    389,775.36x = 584,651.52 × 337,031.04
  4. Step 4: Simplify right side
    389,775.36x = 197,045,709,823.18
  5. Step 5: Solve for x
    x = 197,045,709,823.18/389,775.36
  6. Step 6: Final answer
    x = 505,536.60

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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.