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Finding the Fourth Proportional to 343,530.54, 514,770.30 and 183,629.22

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Solution

The fourth proportional to 343,530.54, 514,770.30 and 183,629.22 is: 275,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,530.54 : 514,770.30 = 183,629.22 : x
  2. Step 2: Convert to fraction form
    343,530.54/514,770.30 = 183,629.22/x
  3. Step 3: Cross multiply
    343,530.54x = 514,770.30 × 183,629.22
  4. Step 4: Simplify right side
    343,530.54x = 94,526,868,668.17
  5. Step 5: Solve for x
    x = 94,526,868,668.17/343,530.54
  6. Step 6: Final answer
    x = 275,162.93

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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.