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Finding the Fourth Proportional to 692,993, 956,330.34 and 375,041

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Solution

The fourth proportional to 692,993, 956,330.34 and 375,041 is: 517,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,993 : 956,330.34 = 375,041 : x
  2. Step 2: Convert to fraction form
    692,993/956,330.34 = 375,041/x
  3. Step 3: Cross multiply
    692,993x = 956,330.34 × 375,041
  4. Step 4: Simplify right side
    692,993x = 358,663,087,043.94
  5. Step 5: Solve for x
    x = 358,663,087,043.94/692,993
  6. Step 6: Final answer
    x = 517,556.58

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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.