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Finding the Fourth Proportional to 375,341.05, 563,015.22 and 300,274.71

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Solution

The fourth proportional to 375,341.05, 563,015.22 and 300,274.71 is: 450,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,341.05 : 563,015.22 = 300,274.71 : x
  2. Step 2: Convert to fraction form
    375,341.05/563,015.22 = 300,274.71/x
  3. Step 3: Cross multiply
    375,341.05x = 563,015.22 × 300,274.71
  4. Step 4: Simplify right side
    375,341.05x = 169,059,231,911.09
  5. Step 5: Solve for x
    x = 169,059,231,911.09/375,341.05
  6. Step 6: Final answer
    x = 450,414.98

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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.