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Finding the Fourth Proportional to 508,960.60, 763,527.30 and 153,971.80

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Solution

The fourth proportional to 508,960.60, 763,527.30 and 153,971.80 is: 230,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,960.60 : 763,527.30 = 153,971.80 : x
  2. Step 2: Convert to fraction form
    508,960.60/763,527.30 = 153,971.80/x
  3. Step 3: Cross multiply
    508,960.60x = 763,527.30 × 153,971.80
  4. Step 4: Simplify right side
    508,960.60x = 117,561,672,730.14
  5. Step 5: Solve for x
    x = 117,561,672,730.14/508,960.60
  6. Step 6: Final answer
    x = 230,983.84

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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.