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Finding the Fourth Proportional to 384,835.93, 577,056.15 and 132,048.43

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Solution

The fourth proportional to 384,835.93, 577,056.15 and 132,048.43 is: 198,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,835.93 : 577,056.15 = 132,048.43 : x
  2. Step 2: Convert to fraction form
    384,835.93/577,056.15 = 132,048.43/x
  3. Step 3: Cross multiply
    384,835.93x = 577,056.15 × 132,048.43
  4. Step 4: Simplify right side
    384,835.93x = 76,199,357,186.70
  5. Step 5: Solve for x
    x = 76,199,357,186.70/384,835.93
  6. Step 6: Final answer
    x = 198,004.79

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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.