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Finding the Fourth Proportional to 1,608,868.60, 2,414,663.70 and 662,918.20

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Solution

The fourth proportional to 1,608,868.60, 2,414,663.70 and 662,918.20 is: 994,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,868.60 : 2,414,663.70 = 662,918.20 : x
  2. Step 2: Convert to fraction form
    1,608,868.60/2,414,663.70 = 662,918.20/x
  3. Step 3: Cross multiply
    1,608,868.60x = 2,414,663.70 × 662,918.20
  4. Step 4: Simplify right side
    1,608,868.60x = 1,600,724,513,609.34
  5. Step 5: Solve for x
    x = 1,600,724,513,609.34/1,608,868.60
  6. Step 6: Final answer
    x = 994,938.00

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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.