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Finding the Fourth Proportional to 488,970.56, 733,466.08 and 156,545.60

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Solution

The fourth proportional to 488,970.56, 733,466.08 and 156,545.60 is: 234,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,970.56 : 733,466.08 = 156,545.60 : x
  2. Step 2: Convert to fraction form
    488,970.56/733,466.08 = 156,545.60/x
  3. Step 3: Cross multiply
    488,970.56x = 733,466.08 × 156,545.60
  4. Step 4: Simplify right side
    488,970.56x = 114,820,887,573.25
  5. Step 5: Solve for x
    x = 114,820,887,573.25/488,970.56
  6. Step 6: Final answer
    x = 234,821.68

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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.