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Finding the Fourth Proportional to 529,840.26, 731,150.01 and 303,500.34

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Solution

The fourth proportional to 529,840.26, 731,150.01 and 303,500.34 is: 418,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,840.26 : 731,150.01 = 303,500.34 : x
  2. Step 2: Convert to fraction form
    529,840.26/731,150.01 = 303,500.34/x
  3. Step 3: Cross multiply
    529,840.26x = 731,150.01 × 303,500.34
  4. Step 4: Simplify right side
    529,840.26x = 221,904,276,626.00
  5. Step 5: Solve for x
    x = 221,904,276,626.00/529,840.26
  6. Step 6: Final answer
    x = 418,813.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.