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Finding the Fourth Proportional to 1,382,504, 1,907,855.52 and 746,600

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Solution

The fourth proportional to 1,382,504, 1,907,855.52 and 746,600 is: 1,030,308

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,504 : 1,907,855.52 = 746,600 : x
  2. Step 2: Convert to fraction form
    1,382,504/1,907,855.52 = 746,600/x
  3. Step 3: Cross multiply
    1,382,504x = 1,907,855.52 × 746,600
  4. Step 4: Simplify right side
    1,382,504x = 1,424,404,931,232
  5. Step 5: Solve for x
    x = 1,424,404,931,232/1,382,504
  6. Step 6: Final answer
    x = 1,030,308

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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.