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Finding the Fourth Proportional to 1,137,453.84, 1,569,725.03 and 672,706.10

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Solution

The fourth proportional to 1,137,453.84, 1,569,725.03 and 672,706.10 is: 928,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,453.84 : 1,569,725.03 = 672,706.10 : x
  2. Step 2: Convert to fraction form
    1,137,453.84/1,569,725.03 = 672,706.10/x
  3. Step 3: Cross multiply
    1,137,453.84x = 1,569,725.03 × 672,706.10
  4. Step 4: Simplify right side
    1,137,453.84x = 1,055,963,591,791.53
  5. Step 5: Solve for x
    x = 1,055,963,591,791.53/1,137,453.84
  6. Step 6: Final answer
    x = 928,357.31

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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.