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Finding the Fourth Proportional to 471,372.77, 707,125.61 and 151,417.34

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Solution

The fourth proportional to 471,372.77, 707,125.61 and 151,417.34 is: 227,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,372.77 : 707,125.61 = 151,417.34 : x
  2. Step 2: Convert to fraction form
    471,372.77/707,125.61 = 151,417.34/x
  3. Step 3: Cross multiply
    471,372.77x = 707,125.61 × 151,417.34
  4. Step 4: Simplify right side
    471,372.77x = 107,071,082,206.50
  5. Step 5: Solve for x
    x = 107,071,082,206.50/471,372.77
  6. Step 6: Final answer
    x = 227,147.37

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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.