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Finding the Fourth Proportional to 601,628.85, 830,168.87 and 359,823.20

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Solution

The fourth proportional to 601,628.85, 830,168.87 and 359,823.20 is: 496,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,628.85 : 830,168.87 = 359,823.20 : x
  2. Step 2: Convert to fraction form
    601,628.85/830,168.87 = 359,823.20/x
  3. Step 3: Cross multiply
    601,628.85x = 830,168.87 × 359,823.20
  4. Step 4: Simplify right side
    601,628.85x = 298,714,013,393.82
  5. Step 5: Solve for x
    x = 298,714,013,393.82/601,628.85
  6. Step 6: Final answer
    x = 496,508.79

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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.