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Finding the Fourth Proportional to 973,745.94, 1,343,502.54 and 667,898.04

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Solution

The fourth proportional to 973,745.94, 1,343,502.54 and 667,898.04 is: 921,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,745.94 : 1,343,502.54 = 667,898.04 : x
  2. Step 2: Convert to fraction form
    973,745.94/1,343,502.54 = 667,898.04/x
  3. Step 3: Cross multiply
    973,745.94x = 1,343,502.54 × 667,898.04
  4. Step 4: Simplify right side
    973,745.94x = 897,322,713,201.02
  5. Step 5: Solve for x
    x = 897,322,713,201.02/973,745.94
  6. Step 6: Final answer
    x = 921,516.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.