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Finding the Fourth Proportional to 567,553.84, 783,194.77 and 352,689.29

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Solution

The fourth proportional to 567,553.84, 783,194.77 and 352,689.29 is: 486,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,553.84 : 783,194.77 = 352,689.29 : x
  2. Step 2: Convert to fraction form
    567,553.84/783,194.77 = 352,689.29/x
  3. Step 3: Cross multiply
    567,553.84x = 783,194.77 × 352,689.29
  4. Step 4: Simplify right side
    567,553.84x = 276,224,406,824.88
  5. Step 5: Solve for x
    x = 276,224,406,824.88/567,553.84
  6. Step 6: Final answer
    x = 486,692.87

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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.