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Finding the Fourth Proportional to 660,254.36, 988,190.82 and 601,225.88

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Solution

The fourth proportional to 660,254.36, 988,190.82 and 601,225.88 is: 899,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,254.36 : 988,190.82 = 601,225.88 : x
  2. Step 2: Convert to fraction form
    660,254.36/988,190.82 = 601,225.88/x
  3. Step 3: Cross multiply
    660,254.36x = 988,190.82 × 601,225.88
  4. Step 4: Simplify right side
    660,254.36x = 594,125,895,362.42
  5. Step 5: Solve for x
    x = 594,125,895,362.42/660,254.36
  6. Step 6: Final answer
    x = 899,843.96

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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.