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Finding the Fourth Proportional to 437,694.33, 656,598.90 and 171,420.24

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Solution

The fourth proportional to 437,694.33, 656,598.90 and 171,420.24 is: 257,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,694.33 : 656,598.90 = 171,420.24 : x
  2. Step 2: Convert to fraction form
    437,694.33/656,598.90 = 171,420.24/x
  3. Step 3: Cross multiply
    437,694.33x = 656,598.90 × 171,420.24
  4. Step 4: Simplify right side
    437,694.33x = 112,554,341,021.74
  5. Step 5: Solve for x
    x = 112,554,341,021.74/437,694.33
  6. Step 6: Final answer
    x = 257,152.84

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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.