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Finding the Fourth Proportional to 737,570.76, 1,106,109.78 and 288,175.08

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Solution

The fourth proportional to 737,570.76, 1,106,109.78 and 288,175.08 is: 432,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,570.76 : 1,106,109.78 = 288,175.08 : x
  2. Step 2: Convert to fraction form
    737,570.76/1,106,109.78 = 288,175.08/x
  3. Step 3: Cross multiply
    737,570.76x = 1,106,109.78 × 288,175.08
  4. Step 4: Simplify right side
    737,570.76x = 318,753,274,340.28
  5. Step 5: Solve for x
    x = 318,753,274,340.28/737,570.76
  6. Step 6: Final answer
    x = 432,166.37

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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.