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Finding the Fourth Proportional to 593,605.64, 890,512.14 and 261,173

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Solution

The fourth proportional to 593,605.64, 890,512.14 and 261,173 is: 391,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,605.64 : 890,512.14 = 261,173 : x
  2. Step 2: Convert to fraction form
    593,605.64/890,512.14 = 261,173/x
  3. Step 3: Cross multiply
    593,605.64x = 890,512.14 × 261,173
  4. Step 4: Simplify right side
    593,605.64x = 232,577,727,140.22
  5. Step 5: Solve for x
    x = 232,577,727,140.22/593,605.64
  6. Step 6: Final answer
    x = 391,805.12

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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.