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Finding the Fourth Proportional to 344,765.66, 517,632.88 and 176,406.72

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Solution

The fourth proportional to 344,765.66, 517,632.88 and 176,406.72 is: 264,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,765.66 : 517,632.88 = 176,406.72 : x
  2. Step 2: Convert to fraction form
    344,765.66/517,632.88 = 176,406.72/x
  3. Step 3: Cross multiply
    344,765.66x = 517,632.88 × 176,406.72
  4. Step 4: Simplify right side
    344,765.66x = 91,313,918,524.95
  5. Step 5: Solve for x
    x = 91,313,918,524.95/344,765.66
  6. Step 6: Final answer
    x = 264,857.93

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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.