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Finding the Fourth Proportional to 702,050.20, 985,358.60 and 702,050.20

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Solution

The fourth proportional to 702,050.20, 985,358.60 and 702,050.20 is: 985,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,050.20 : 985,358.60 = 702,050.20 : x
  2. Step 2: Convert to fraction form
    702,050.20/985,358.60 = 702,050.20/x
  3. Step 3: Cross multiply
    702,050.20x = 985,358.60 × 702,050.20
  4. Step 4: Simplify right side
    702,050.20x = 691,771,202,201.72
  5. Step 5: Solve for x
    x = 691,771,202,201.72/702,050.20
  6. Step 6: Final answer
    x = 985,358.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.