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Finding the Fourth Proportional to 355,537.80, 533,598.30 and 343,873.80

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Solution

The fourth proportional to 355,537.80, 533,598.30 and 343,873.80 is: 516,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,537.80 : 533,598.30 = 343,873.80 : x
  2. Step 2: Convert to fraction form
    355,537.80/533,598.30 = 343,873.80/x
  3. Step 3: Cross multiply
    355,537.80x = 533,598.30 × 343,873.80
  4. Step 4: Simplify right side
    355,537.80x = 183,490,475,094.54
  5. Step 5: Solve for x
    x = 183,490,475,094.54/355,537.80
  6. Step 6: Final answer
    x = 516,092.73

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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.