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Finding the Fourth Proportional to 662,669.70, 994,004.55 and 662,669.70

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Solution

The fourth proportional to 662,669.70, 994,004.55 and 662,669.70 is: 994,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,669.70 : 994,004.55 = 662,669.70 : x
  2. Step 2: Convert to fraction form
    662,669.70/994,004.55 = 662,669.70/x
  3. Step 3: Cross multiply
    662,669.70x = 994,004.55 × 662,669.70
  4. Step 4: Simplify right side
    662,669.70x = 658,696,696,947.14
  5. Step 5: Solve for x
    x = 658,696,696,947.14/662,669.70
  6. Step 6: Final answer
    x = 994,004.55

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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.