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Finding the Fourth Proportional to 355,630.60, 532,409.10 and 345,262.60

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Solution

The fourth proportional to 355,630.60, 532,409.10 and 345,262.60 is: 516,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,630.60 : 532,409.10 = 345,262.60 : x
  2. Step 2: Convert to fraction form
    355,630.60/532,409.10 = 345,262.60/x
  3. Step 3: Cross multiply
    355,630.60x = 532,409.10 × 345,262.60
  4. Step 4: Simplify right side
    355,630.60x = 183,820,950,129.66
  5. Step 5: Solve for x
    x = 183,820,950,129.66/355,630.60
  6. Step 6: Final answer
    x = 516,887.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.