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Finding the Fourth Proportional to 564,006.80, 846,010.20 and 189,990.80

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Solution

The fourth proportional to 564,006.80, 846,010.20 and 189,990.80 is: 284,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,006.80 : 846,010.20 = 189,990.80 : x
  2. Step 2: Convert to fraction form
    564,006.80/846,010.20 = 189,990.80/x
  3. Step 3: Cross multiply
    564,006.80x = 846,010.20 × 189,990.80
  4. Step 4: Simplify right side
    564,006.80x = 160,734,154,706.16
  5. Step 5: Solve for x
    x = 160,734,154,706.16/564,006.80
  6. Step 6: Final answer
    x = 284,986.20

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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.