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Finding the Fourth Proportional to 737,112, 1,017,256.43 and 442,851.72

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Solution

The fourth proportional to 737,112, 1,017,256.43 and 442,851.72 is: 611,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,112 : 1,017,256.43 = 442,851.72 : x
  2. Step 2: Convert to fraction form
    737,112/1,017,256.43 = 442,851.72/x
  3. Step 3: Cross multiply
    737,112x = 1,017,256.43 × 442,851.72
  4. Step 4: Simplify right side
    737,112x = 450,493,759,706.56
  5. Step 5: Solve for x
    x = 450,493,759,706.56/737,112
  6. Step 6: Final answer
    x = 611,160.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.