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Finding the Fourth Proportional to 755,618, 1,042,752.84 and 416,085.44

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Solution

The fourth proportional to 755,618, 1,042,752.84 and 416,085.44 is: 574,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,618 : 1,042,752.84 = 416,085.44 : x
  2. Step 2: Convert to fraction form
    755,618/1,042,752.84 = 416,085.44/x
  3. Step 3: Cross multiply
    755,618x = 1,042,752.84 × 416,085.44
  4. Step 4: Simplify right side
    755,618x = 433,874,274,242.65
  5. Step 5: Solve for x
    x = 433,874,274,242.65/755,618
  6. Step 6: Final answer
    x = 574,197.91

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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.