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Finding the Fourth Proportional to 471,985.25, 707,503.87 and 151,901.91

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Solution

The fourth proportional to 471,985.25, 707,503.87 and 151,901.91 is: 227,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,985.25 : 707,503.87 = 151,901.91 : x
  2. Step 2: Convert to fraction form
    471,985.25/707,503.87 = 151,901.91/x
  3. Step 3: Cross multiply
    471,985.25x = 707,503.87 × 151,901.91
  4. Step 4: Simplify right side
    471,985.25x = 107,471,186,530.97
  5. Step 5: Solve for x
    x = 107,471,186,530.97/471,985.25
  6. Step 6: Final answer
    x = 227,700.31

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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.