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Finding the Fourth Proportional to 702,581.80, 1,051,539.90 and 702,581.80

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Solution

The fourth proportional to 702,581.80, 1,051,539.90 and 702,581.80 is: 1,051,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,581.80 : 1,051,539.90 = 702,581.80 : x
  2. Step 2: Convert to fraction form
    702,581.80/1,051,539.90 = 702,581.80/x
  3. Step 3: Cross multiply
    702,581.80x = 1,051,539.90 × 702,581.80
  4. Step 4: Simplify right side
    702,581.80x = 738,792,795,713.82
  5. Step 5: Solve for x
    x = 738,792,795,713.82/702,581.80
  6. Step 6: Final answer
    x = 1,051,539.90

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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.