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Finding the Fourth Proportional to 692,012.44, 955,369.52 and 450,173.98

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Solution

The fourth proportional to 692,012.44, 955,369.52 and 450,173.98 is: 621,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,012.44 : 955,369.52 = 450,173.98 : x
  2. Step 2: Convert to fraction form
    692,012.44/955,369.52 = 450,173.98/x
  3. Step 3: Cross multiply
    692,012.44x = 955,369.52 × 450,173.98
  4. Step 4: Simplify right side
    692,012.44x = 430,082,499,189.09
  5. Step 5: Solve for x
    x = 430,082,499,189.09/692,012.44
  6. Step 6: Final answer
    x = 621,495.33

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1.5x scale

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.