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Finding the Fourth Proportional to 393,652.04, 590,126.39 and 153,710.12

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Solution

The fourth proportional to 393,652.04, 590,126.39 and 153,710.12 is: 230,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,652.04 : 590,126.39 = 153,710.12 : x
  2. Step 2: Convert to fraction form
    393,652.04/590,126.39 = 153,710.12/x
  3. Step 3: Cross multiply
    393,652.04x = 590,126.39 × 153,710.12
  4. Step 4: Simplify right side
    393,652.04x = 90,708,394,502.88
  5. Step 5: Solve for x
    x = 90,708,394,502.88/393,652.04
  6. Step 6: Final answer
    x = 230,427.86

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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.