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Finding the Fourth Proportional to 491,737.60, 737,630.70 and 255,541.60

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Solution

The fourth proportional to 491,737.60, 737,630.70 and 255,541.60 is: 383,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,737.60 : 737,630.70 = 255,541.60 : x
  2. Step 2: Convert to fraction form
    491,737.60/737,630.70 = 255,541.60/x
  3. Step 3: Cross multiply
    491,737.60x = 737,630.70 × 255,541.60
  4. Step 4: Simplify right side
    491,737.60x = 188,495,329,287.12
  5. Step 5: Solve for x
    x = 188,495,329,287.12/491,737.60
  6. Step 6: Final answer
    x = 383,325.03

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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.