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Finding the Fourth Proportional to 357,951.60, 536,466.60 and 274,431.60

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Solution

The fourth proportional to 357,951.60, 536,466.60 and 274,431.60 is: 411,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,951.60 : 536,466.60 = 274,431.60 : x
  2. Step 2: Convert to fraction form
    357,951.60/536,466.60 = 274,431.60/x
  3. Step 3: Cross multiply
    357,951.60x = 536,466.60 × 274,431.60
  4. Step 4: Simplify right side
    357,951.60x = 147,223,387,384.56
  5. Step 5: Solve for x
    x = 147,223,387,384.56/357,951.60
  6. Step 6: Final answer
    x = 411,294.12

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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.