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Finding the Fourth Proportional to 492,245.55, 738,951.53 and 488,746.35

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Solution

The fourth proportional to 492,245.55, 738,951.53 and 488,746.35 is: 733,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,245.55 : 738,951.53 = 488,746.35 : x
  2. Step 2: Convert to fraction form
    492,245.55/738,951.53 = 488,746.35/x
  3. Step 3: Cross multiply
    492,245.55x = 738,951.53 × 488,746.35
  4. Step 4: Simplify right side
    492,245.55x = 361,159,860,670.68
  5. Step 5: Solve for x
    x = 361,159,860,670.68/492,245.55
  6. Step 6: Final answer
    x = 733,698.58

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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.