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Finding the Fourth Proportional to 632,723.88, 873,158.98 and 346,243.98

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Solution

The fourth proportional to 632,723.88, 873,158.98 and 346,243.98 is: 477,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,723.88 : 873,158.98 = 346,243.98 : x
  2. Step 2: Convert to fraction form
    632,723.88/873,158.98 = 346,243.98/x
  3. Step 3: Cross multiply
    632,723.88x = 873,158.98 × 346,243.98
  4. Step 4: Simplify right side
    632,723.88x = 302,326,040,407.94
  5. Step 5: Solve for x
    x = 302,326,040,407.94/632,723.88
  6. Step 6: Final answer
    x = 477,816.71

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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.