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Finding the Fourth Proportional to 251,874.20, 377,811.30 and 249,541.40

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Solution

The fourth proportional to 251,874.20, 377,811.30 and 249,541.40 is: 374,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,874.20 : 377,811.30 = 249,541.40 : x
  2. Step 2: Convert to fraction form
    251,874.20/377,811.30 = 249,541.40/x
  3. Step 3: Cross multiply
    251,874.20x = 377,811.30 × 249,541.40
  4. Step 4: Simplify right side
    251,874.20x = 94,279,560,737.82
  5. Step 5: Solve for x
    x = 94,279,560,737.82/251,874.20
  6. Step 6: Final answer
    x = 374,312.10

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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.