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Finding the Fourth Proportional to 637,012.71, 955,526.49 and 252,855.90

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Solution

The fourth proportional to 637,012.71, 955,526.49 and 252,855.90 is: 379,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,012.71 : 955,526.49 = 252,855.90 : x
  2. Step 2: Convert to fraction form
    637,012.71/955,526.49 = 252,855.90/x
  3. Step 3: Cross multiply
    637,012.71x = 955,526.49 × 252,855.90
  4. Step 4: Simplify right side
    637,012.71x = 241,610,510,602.79
  5. Step 5: Solve for x
    x = 241,610,510,602.79/637,012.71
  6. Step 6: Final answer
    x = 379,286.80

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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.