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Finding the Fourth Proportional to 529,800.96, 731,396.24 and 408,670.32

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Solution

The fourth proportional to 529,800.96, 731,396.24 and 408,670.32 is: 564,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,800.96 : 731,396.24 = 408,670.32 : x
  2. Step 2: Convert to fraction form
    529,800.96/731,396.24 = 408,670.32/x
  3. Step 3: Cross multiply
    529,800.96x = 731,396.24 × 408,670.32
  4. Step 4: Simplify right side
    529,800.96x = 298,899,935,447.60
  5. Step 5: Solve for x
    x = 298,899,935,447.60/529,800.96
  6. Step 6: Final answer
    x = 564,174.02

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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.