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Finding the Fourth Proportional to 375,667.45, 563,495.18 and 119,496.40

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Solution

The fourth proportional to 375,667.45, 563,495.18 and 119,496.40 is: 179,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,667.45 : 563,495.18 = 119,496.40 : x
  2. Step 2: Convert to fraction form
    375,667.45/563,495.18 = 119,496.40/x
  3. Step 3: Cross multiply
    375,667.45x = 563,495.18 × 119,496.40
  4. Step 4: Simplify right side
    375,667.45x = 67,335,643,421.13
  5. Step 5: Solve for x
    x = 67,335,643,421.13/375,667.45
  6. Step 6: Final answer
    x = 179,242.69

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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.