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Finding the Fourth Proportional to 424,121.40, 585,277.80 and 230,524.56

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Solution

The fourth proportional to 424,121.40, 585,277.80 and 230,524.56 is: 318,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,121.40 : 585,277.80 = 230,524.56 : x
  2. Step 2: Convert to fraction form
    424,121.40/585,277.80 = 230,524.56/x
  3. Step 3: Cross multiply
    424,121.40x = 585,277.80 × 230,524.56
  4. Step 4: Simplify right side
    424,121.40x = 134,920,907,322.77
  5. Step 5: Solve for x
    x = 134,920,907,322.77/424,121.40
  6. Step 6: Final answer
    x = 318,118.60

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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.