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Finding the Fourth Proportional to 508,465.80, 701,745.18 and 293,605.56

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Solution

The fourth proportional to 508,465.80, 701,745.18 and 293,605.56 is: 405,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,465.80 : 701,745.18 = 293,605.56 : x
  2. Step 2: Convert to fraction form
    508,465.80/701,745.18 = 293,605.56/x
  3. Step 3: Cross multiply
    508,465.80x = 701,745.18 × 293,605.56
  4. Step 4: Simplify right side
    508,465.80x = 206,036,286,551.20
  5. Step 5: Solve for x
    x = 206,036,286,551.20/508,465.80
  6. Step 6: Final answer
    x = 405,211.69

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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.