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Finding the Fourth Proportional to 331,665.02, 457,699.24 and 188,432.92

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Solution

The fourth proportional to 331,665.02, 457,699.24 and 188,432.92 is: 260,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,665.02 : 457,699.24 = 188,432.92 : x
  2. Step 2: Convert to fraction form
    331,665.02/457,699.24 = 188,432.92/x
  3. Step 3: Cross multiply
    331,665.02x = 457,699.24 × 188,432.92
  4. Step 4: Simplify right side
    331,665.02x = 86,245,604,274.98
  5. Step 5: Solve for x
    x = 86,245,604,274.98/331,665.02
  6. Step 6: Final answer
    x = 260,038.29

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1.5x scale

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.