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Finding the Fourth Proportional to 1,165,868.49, 1,748,865.42 and 367,212.54

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Solution

The fourth proportional to 1,165,868.49, 1,748,865.42 and 367,212.54 is: 550,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,868.49 : 1,748,865.42 = 367,212.54 : x
  2. Step 2: Convert to fraction form
    1,165,868.49/1,748,865.42 = 367,212.54/x
  3. Step 3: Cross multiply
    1,165,868.49x = 1,748,865.42 × 367,212.54
  4. Step 4: Simplify right side
    1,165,868.49x = 642,205,312,996.37
  5. Step 5: Solve for x
    x = 642,205,312,996.37/1,165,868.49
  6. Step 6: Final answer
    x = 550,838.55

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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.