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Finding the Fourth Proportional to 567,690.54, 783,119.79 and 352,748.94

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Solution

The fourth proportional to 567,690.54, 783,119.79 and 352,748.94 is: 486,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,690.54 : 783,119.79 = 352,748.94 : x
  2. Step 2: Convert to fraction form
    567,690.54/783,119.79 = 352,748.94/x
  3. Step 3: Cross multiply
    567,690.54x = 783,119.79 × 352,748.94
  4. Step 4: Simplify right side
    567,690.54x = 276,244,675,815.52
  5. Step 5: Solve for x
    x = 276,244,675,815.52/567,690.54
  6. Step 6: Final answer
    x = 486,611.38

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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.