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Finding the Fourth Proportional to 417,562.72, 626,676.12 and 151,399.36

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Solution

The fourth proportional to 417,562.72, 626,676.12 and 151,399.36 is: 227,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,562.72 : 626,676.12 = 151,399.36 : x
  2. Step 2: Convert to fraction form
    417,562.72/626,676.12 = 151,399.36/x
  3. Step 3: Cross multiply
    417,562.72x = 626,676.12 × 151,399.36
  4. Step 4: Simplify right side
    417,562.72x = 94,878,363,495.28
  5. Step 5: Solve for x
    x = 94,878,363,495.28/417,562.72
  6. Step 6: Final answer
    x = 227,219.43

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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.