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Finding the Fourth Proportional to 868,682.30, 1,303,023.45 and 868,682.30

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Solution

The fourth proportional to 868,682.30, 1,303,023.45 and 868,682.30 is: 1,303,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,682.30 : 1,303,023.45 = 868,682.30 : x
  2. Step 2: Convert to fraction form
    868,682.30/1,303,023.45 = 868,682.30/x
  3. Step 3: Cross multiply
    868,682.30x = 1,303,023.45 × 868,682.30
  4. Step 4: Simplify right side
    868,682.30x = 1,131,913,407,499.94
  5. Step 5: Solve for x
    x = 1,131,913,407,499.94/868,682.30
  6. Step 6: Final answer
    x = 1,303,023.45

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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.