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Finding the Fourth Proportional to 601,622.09, 830,159.55 and 359,816.43

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Solution

The fourth proportional to 601,622.09, 830,159.55 and 359,816.43 is: 496,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,622.09 : 830,159.55 = 359,816.43 : x
  2. Step 2: Convert to fraction form
    601,622.09/830,159.55 = 359,816.43/x
  3. Step 3: Cross multiply
    601,622.09x = 830,159.55 × 359,816.43
  4. Step 4: Simplify right side
    601,622.09x = 298,705,045,611.41
  5. Step 5: Solve for x
    x = 298,705,045,611.41/601,622.09
  6. Step 6: Final answer
    x = 496,499.47

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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.