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Finding the Fourth Proportional to 934,062, 1,289,007 and 531,654

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Solution

The fourth proportional to 934,062, 1,289,007 and 531,654 is: 733,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,062 : 1,289,007 = 531,654 : x
  2. Step 2: Convert to fraction form
    934,062/1,289,007 = 531,654/x
  3. Step 3: Cross multiply
    934,062x = 1,289,007 × 531,654
  4. Step 4: Simplify right side
    934,062x = 685,305,727,578
  5. Step 5: Solve for x
    x = 685,305,727,578/934,062
  6. Step 6: Final answer
    x = 733,683.34

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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.