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Finding the Fourth Proportional to 706,744.38, 975,318.94 and 384,456.22

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Solution

The fourth proportional to 706,744.38, 975,318.94 and 384,456.22 is: 530,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,744.38 : 975,318.94 = 384,456.22 : x
  2. Step 2: Convert to fraction form
    706,744.38/975,318.94 = 384,456.22/x
  3. Step 3: Cross multiply
    706,744.38x = 975,318.94 × 384,456.22
  4. Step 4: Simplify right side
    706,744.38x = 374,967,432,966.81
  5. Step 5: Solve for x
    x = 374,967,432,966.81/706,744.38
  6. Step 6: Final answer
    x = 530,555.95

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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.