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Finding the Fourth Proportional to 573,054.48, 790,768.92 and 331,352.70

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Solution

The fourth proportional to 573,054.48, 790,768.92 and 331,352.70 is: 457,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,054.48 : 790,768.92 = 331,352.70 : x
  2. Step 2: Convert to fraction form
    573,054.48/790,768.92 = 331,352.70/x
  3. Step 3: Cross multiply
    573,054.48x = 790,768.92 × 331,352.70
  4. Step 4: Simplify right side
    573,054.48x = 262,023,416,718.08
  5. Step 5: Solve for x
    x = 262,023,416,718.08/573,054.48
  6. Step 6: Final answer
    x = 457,239.98

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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.