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Finding the Fourth Proportional to 662,575.95, 994,299.71 and 363,266.78

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Solution

The fourth proportional to 662,575.95, 994,299.71 and 363,266.78 is: 545,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,575.95 : 994,299.71 = 363,266.78 : x
  2. Step 2: Convert to fraction form
    662,575.95/994,299.71 = 363,266.78/x
  3. Step 3: Cross multiply
    662,575.95x = 994,299.71 × 363,266.78
  4. Step 4: Simplify right side
    662,575.95x = 361,196,047,218.80
  5. Step 5: Solve for x
    x = 361,196,047,218.80/662,575.95
  6. Step 6: Final answer
    x = 545,139.09

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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.