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Finding the Fourth Proportional to 662,606.80, 993,910.20 and 589,123.60

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Solution

The fourth proportional to 662,606.80, 993,910.20 and 589,123.60 is: 883,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,606.80 : 993,910.20 = 589,123.60 : x
  2. Step 2: Convert to fraction form
    662,606.80/993,910.20 = 589,123.60/x
  3. Step 3: Cross multiply
    662,606.80x = 993,910.20 × 589,123.60
  4. Step 4: Simplify right side
    662,606.80x = 585,535,955,100.72
  5. Step 5: Solve for x
    x = 585,535,955,100.72/662,606.80
  6. Step 6: Final answer
    x = 883,685.40

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Double scale
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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.