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Finding the Fourth Proportional to 593,652, 890,478 and 261,228

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Solution

The fourth proportional to 593,652, 890,478 and 261,228 is: 391,842

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,652 : 890,478 = 261,228 : x
  2. Step 2: Convert to fraction form
    593,652/890,478 = 261,228/x
  3. Step 3: Cross multiply
    593,652x = 890,478 × 261,228
  4. Step 4: Simplify right side
    593,652x = 232,617,786,984
  5. Step 5: Solve for x
    x = 232,617,786,984/593,652
  6. Step 6: Final answer
    x = 391,842

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.