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Finding the Fourth Proportional to 560,511.38, 773,522.10 and 305,878.97

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Solution

The fourth proportional to 560,511.38, 773,522.10 and 305,878.97 is: 422,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,511.38 : 773,522.10 = 305,878.97 : x
  2. Step 2: Convert to fraction form
    560,511.38/773,522.10 = 305,878.97/x
  3. Step 3: Cross multiply
    560,511.38x = 773,522.10 × 305,878.97
  4. Step 4: Simplify right side
    560,511.38x = 236,604,139,352.63
  5. Step 5: Solve for x
    x = 236,604,139,352.63/560,511.38
  6. Step 6: Final answer
    x = 422,121.92

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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.