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Finding the Fourth Proportional to 618,666.10, 928,004.63 and 244,689.14

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Solution

The fourth proportional to 618,666.10, 928,004.63 and 244,689.14 is: 367,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,666.10 : 928,004.63 = 244,689.14 : x
  2. Step 2: Convert to fraction form
    618,666.10/928,004.63 = 244,689.14/x
  3. Step 3: Cross multiply
    618,666.10x = 928,004.63 × 244,689.14
  4. Step 4: Simplify right side
    618,666.10x = 227,072,654,830.72
  5. Step 5: Solve for x
    x = 227,072,654,830.72/618,666.10
  6. Step 6: Final answer
    x = 367,035.88

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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.