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Finding the Fourth Proportional to 345,887.94, 518,989.52 and 177,526.48

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Solution

The fourth proportional to 345,887.94, 518,989.52 and 177,526.48 is: 266,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,887.94 : 518,989.52 = 177,526.48 : x
  2. Step 2: Convert to fraction form
    345,887.94/518,989.52 = 177,526.48/x
  3. Step 3: Cross multiply
    345,887.94x = 518,989.52 × 177,526.48
  4. Step 4: Simplify right side
    345,887.94x = 92,134,382,642.49
  5. Step 5: Solve for x
    x = 92,134,382,642.49/345,887.94
  6. Step 6: Final answer
    x = 266,370.61

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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.