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Finding the Fourth Proportional to 452,451, 678,209.92 and 203,307.96

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Solution

The fourth proportional to 452,451, 678,209.92 and 203,307.96 is: 304,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,451 : 678,209.92 = 203,307.96 : x
  2. Step 2: Convert to fraction form
    452,451/678,209.92 = 203,307.96/x
  3. Step 3: Cross multiply
    452,451x = 678,209.92 × 203,307.96
  4. Step 4: Simplify right side
    452,451x = 137,885,475,286.96
  5. Step 5: Solve for x
    x = 137,885,475,286.96/452,451
  6. Step 6: Final answer
    x = 304,752.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.