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Finding the Fourth Proportional to 588,782.32, 812,625.96 and 347,050.96

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Solution

The fourth proportional to 588,782.32, 812,625.96 and 347,050.96 is: 478,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,782.32 : 812,625.96 = 347,050.96 : x
  2. Step 2: Convert to fraction form
    588,782.32/812,625.96 = 347,050.96/x
  3. Step 3: Cross multiply
    588,782.32x = 812,625.96 × 347,050.96
  4. Step 4: Simplify right side
    588,782.32x = 282,022,619,538.92
  5. Step 5: Solve for x
    x = 282,022,619,538.92/588,782.32
  6. Step 6: Final answer
    x = 478,993.02

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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.