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Finding the Fourth Proportional to 578,625.80, 867,938.70 and 152,160.80

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Solution

The fourth proportional to 578,625.80, 867,938.70 and 152,160.80 is: 228,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,625.80 : 867,938.70 = 152,160.80 : x
  2. Step 2: Convert to fraction form
    578,625.80/867,938.70 = 152,160.80/x
  3. Step 3: Cross multiply
    578,625.80x = 867,938.70 × 152,160.80
  4. Step 4: Simplify right side
    578,625.80x = 132,066,246,942.96
  5. Step 5: Solve for x
    x = 132,066,246,942.96/578,625.80
  6. Step 6: Final answer
    x = 228,241.20

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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.