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Finding the Fourth Proportional to 673,350.39, 929,223.09 and 431,632.89

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Solution

The fourth proportional to 673,350.39, 929,223.09 and 431,632.89 is: 595,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,350.39 : 929,223.09 = 431,632.89 : x
  2. Step 2: Convert to fraction form
    673,350.39/929,223.09 = 431,632.89/x
  3. Step 3: Cross multiply
    673,350.39x = 929,223.09 × 431,632.89
  4. Step 4: Simplify right side
    673,350.39x = 401,083,247,791.43
  5. Step 5: Solve for x
    x = 401,083,247,791.43/673,350.39
  6. Step 6: Final answer
    x = 595,653.10

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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.