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Finding the Fourth Proportional to 673,314.39, 929,173.48 and 431,596.82

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Solution

The fourth proportional to 673,314.39, 929,173.48 and 431,596.82 is: 595,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,314.39 : 929,173.48 = 431,596.82 : x
  2. Step 2: Convert to fraction form
    673,314.39/929,173.48 = 431,596.82/x
  3. Step 3: Cross multiply
    673,314.39x = 929,173.48 × 431,596.82
  4. Step 4: Simplify right side
    673,314.39x = 401,028,320,440.28
  5. Step 5: Solve for x
    x = 401,028,320,440.28/673,314.39
  6. Step 6: Final answer
    x = 595,603.37

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Double scale
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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.