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Finding the Fourth Proportional to 588,969.39, 812,755.62 and 359,909.70

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Solution

The fourth proportional to 588,969.39, 812,755.62 and 359,909.70 is: 496,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,969.39 : 812,755.62 = 359,909.70 : x
  2. Step 2: Convert to fraction form
    588,969.39/812,755.62 = 359,909.70/x
  3. Step 3: Cross multiply
    588,969.39x = 812,755.62 × 359,909.70
  4. Step 4: Simplify right side
    588,969.39x = 292,518,631,367.51
  5. Step 5: Solve for x
    x = 292,518,631,367.51/588,969.39
  6. Step 6: Final answer
    x = 496,661.86

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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.