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Finding the Fourth Proportional to 441,813.98, 609,711.36 and 245,598.89

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Solution

The fourth proportional to 441,813.98, 609,711.36 and 245,598.89 is: 338,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,813.98 : 609,711.36 = 245,598.89 : x
  2. Step 2: Convert to fraction form
    441,813.98/609,711.36 = 245,598.89/x
  3. Step 3: Cross multiply
    441,813.98x = 609,711.36 × 245,598.89
  4. Step 4: Simplify right side
    441,813.98x = 149,744,431,672.40
  5. Step 5: Solve for x
    x = 149,744,431,672.40/441,813.98
  6. Step 6: Final answer
    x = 338,930.95

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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.