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Finding the Fourth Proportional to 375,063.95, 517,588.58 and 213,914.86

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Solution

The fourth proportional to 375,063.95, 517,588.58 and 213,914.86 is: 295,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,063.95 : 517,588.58 = 213,914.86 : x
  2. Step 2: Convert to fraction form
    375,063.95/517,588.58 = 213,914.86/x
  3. Step 3: Cross multiply
    375,063.95x = 517,588.58 × 213,914.86
  4. Step 4: Simplify right side
    375,063.95x = 110,719,887,869.12
  5. Step 5: Solve for x
    x = 110,719,887,869.12/375,063.95
  6. Step 6: Final answer
    x = 295,202.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.