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Finding the Fourth Proportional to 569,191.05, 854,364.31 and 285,085.17

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Solution

The fourth proportional to 569,191.05, 854,364.31 and 285,085.17 is: 427,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,191.05 : 854,364.31 = 285,085.17 : x
  2. Step 2: Convert to fraction form
    569,191.05/854,364.31 = 285,085.17/x
  3. Step 3: Cross multiply
    569,191.05x = 854,364.31 × 285,085.17
  4. Step 4: Simplify right side
    569,191.05x = 243,566,593,845.57
  5. Step 5: Solve for x
    x = 243,566,593,845.57/569,191.05
  6. Step 6: Final answer
    x = 427,917.12

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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.