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Finding the Fourth Proportional to 567,684.81, 851,527.26 and 389,652.12

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Solution

The fourth proportional to 567,684.81, 851,527.26 and 389,652.12 is: 584,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,684.81 : 851,527.26 = 389,652.12 : x
  2. Step 2: Convert to fraction form
    567,684.81/851,527.26 = 389,652.12/x
  3. Step 3: Cross multiply
    567,684.81x = 851,527.26 × 389,652.12
  4. Step 4: Simplify right side
    567,684.81x = 331,799,402,096.79
  5. Step 5: Solve for x
    x = 331,799,402,096.79/567,684.81
  6. Step 6: Final answer
    x = 584,478.21

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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.