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Finding the Fourth Proportional to 590,657.20, 884,965.20 and 274,465.60

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Solution

The fourth proportional to 590,657.20, 884,965.20 and 274,465.60 is: 411,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,657.20 : 884,965.20 = 274,465.60 : x
  2. Step 2: Convert to fraction form
    590,657.20/884,965.20 = 274,465.60/x
  3. Step 3: Cross multiply
    590,657.20x = 884,965.20 × 274,465.60
  4. Step 4: Simplify right side
    590,657.20x = 242,892,504,597.12
  5. Step 5: Solve for x
    x = 242,892,504,597.12/590,657.20
  6. Step 6: Final answer
    x = 411,224.15

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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.