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Finding the Fourth Proportional to 543,853.14, 815,695.47 and 277,810.26

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Solution

The fourth proportional to 543,853.14, 815,695.47 and 277,810.26 is: 416,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,853.14 : 815,695.47 = 277,810.26 : x
  2. Step 2: Convert to fraction form
    543,853.14/815,695.47 = 277,810.26/x
  3. Step 3: Cross multiply
    543,853.14x = 815,695.47 × 277,810.26
  4. Step 4: Simplify right side
    543,853.14x = 226,608,570,601.52
  5. Step 5: Solve for x
    x = 226,608,570,601.52/543,853.14
  6. Step 6: Final answer
    x = 416,672.36

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1.5x scale

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.