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Finding the Fourth Proportional to 347,660.96, 479,772.32 and 188,684.96

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Solution

The fourth proportional to 347,660.96, 479,772.32 and 188,684.96 is: 260,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,660.96 : 479,772.32 = 188,684.96 : x
  2. Step 2: Convert to fraction form
    347,660.96/479,772.32 = 188,684.96/x
  3. Step 3: Cross multiply
    347,660.96x = 479,772.32 × 188,684.96
  4. Step 4: Simplify right side
    347,660.96x = 90,525,821,008.31
  5. Step 5: Solve for x
    x = 90,525,821,008.31/347,660.96
  6. Step 6: Final answer
    x = 260,385.35

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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.