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Finding the Fourth Proportional to 461,915.10, 692,527.05 and 251,790.30

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Solution

The fourth proportional to 461,915.10, 692,527.05 and 251,790.30 is: 377,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,915.10 : 692,527.05 = 251,790.30 : x
  2. Step 2: Convert to fraction form
    461,915.10/692,527.05 = 251,790.30/x
  3. Step 3: Cross multiply
    461,915.10x = 692,527.05 × 251,790.30
  4. Step 4: Simplify right side
    461,915.10x = 174,371,593,677.62
  5. Step 5: Solve for x
    x = 174,371,593,677.62/461,915.10
  6. Step 6: Final answer
    x = 377,497.06

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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.