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Finding the Fourth Proportional to 365,548.98, 548,332.88 and 173,378.51

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Solution

The fourth proportional to 365,548.98, 548,332.88 and 173,378.51 is: 260,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,548.98 : 548,332.88 = 173,378.51 : x
  2. Step 2: Convert to fraction form
    365,548.98/548,332.88 = 173,378.51/x
  3. Step 3: Cross multiply
    365,548.98x = 548,332.88 × 173,378.51
  4. Step 4: Simplify right side
    365,548.98x = 95,069,134,109.85
  5. Step 5: Solve for x
    x = 95,069,134,109.85/365,548.98
  6. Step 6: Final answer
    x = 260,072.22

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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.