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Finding the Fourth Proportional to 375,538.64, 563,309.04 and 109,305.68

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Solution

The fourth proportional to 375,538.64, 563,309.04 and 109,305.68 is: 163,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,538.64 : 563,309.04 = 109,305.68 : x
  2. Step 2: Convert to fraction form
    375,538.64/563,309.04 = 109,305.68/x
  3. Step 3: Cross multiply
    375,538.64x = 563,309.04 × 109,305.68
  4. Step 4: Simplify right side
    375,538.64x = 61,572,877,667.35
  5. Step 5: Solve for x
    x = 61,572,877,667.35/375,538.64
  6. Step 6: Final answer
    x = 163,958.83

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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.