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Finding the Fourth Proportional to 693,204.48, 956,610 and 387,261

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Solution

The fourth proportional to 693,204.48, 956,610 and 387,261 is: 534,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,204.48 : 956,610 = 387,261 : x
  2. Step 2: Convert to fraction form
    693,204.48/956,610 = 387,261/x
  3. Step 3: Cross multiply
    693,204.48x = 956,610 × 387,261
  4. Step 4: Simplify right side
    693,204.48x = 370,457,745,210
  5. Step 5: Solve for x
    x = 370,457,745,210/693,204.48
  6. Step 6: Final answer
    x = 534,413.37

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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.