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Finding the Fourth Proportional to 508,090.46, 762,135.29 and 153,104.48

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Solution

The fourth proportional to 508,090.46, 762,135.29 and 153,104.48 is: 229,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,090.46 : 762,135.29 = 153,104.48 : x
  2. Step 2: Convert to fraction form
    508,090.46/762,135.29 = 153,104.48/x
  3. Step 3: Cross multiply
    508,090.46x = 762,135.29 × 153,104.48
  4. Step 4: Simplify right side
    508,090.46x = 116,686,329,553.20
  5. Step 5: Solve for x
    x = 116,686,329,553.20/508,090.46
  6. Step 6: Final answer
    x = 229,656.60

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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.