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Finding the Fourth Proportional to 384,752.92, 577,192.56 and 118,507.56

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Solution

The fourth proportional to 384,752.92, 577,192.56 and 118,507.56 is: 177,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,752.92 : 577,192.56 = 118,507.56 : x
  2. Step 2: Convert to fraction form
    384,752.92/577,192.56 = 118,507.56/x
  3. Step 3: Cross multiply
    384,752.92x = 577,192.56 × 118,507.56
  4. Step 4: Simplify right side
    384,752.92x = 68,401,681,935.75
  5. Step 5: Solve for x
    x = 68,401,681,935.75/384,752.92
  6. Step 6: Final answer
    x = 177,780.80

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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.