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Finding the Fourth Proportional to 567,214.85, 850,822.28 and 389,182.12

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Solution

The fourth proportional to 567,214.85, 850,822.28 and 389,182.12 is: 583,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,214.85 : 850,822.28 = 389,182.12 : x
  2. Step 2: Convert to fraction form
    567,214.85/850,822.28 = 389,182.12/x
  3. Step 3: Cross multiply
    567,214.85x = 850,822.28 × 389,182.12
  4. Step 4: Simplify right side
    567,214.85x = 331,124,816,060.10
  5. Step 5: Solve for x
    x = 331,124,816,060.10/567,214.85
  6. Step 6: Final answer
    x = 583,773.18

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Similar ratio
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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.