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Finding the Fourth Proportional to 401,263.70, 601,720.57 and 151,770.74

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Solution

The fourth proportional to 401,263.70, 601,720.57 and 151,770.74 is: 227,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,263.70 : 601,720.57 = 151,770.74 : x
  2. Step 2: Convert to fraction form
    401,263.70/601,720.57 = 151,770.74/x
  3. Step 3: Cross multiply
    401,263.70x = 601,720.57 × 151,770.74
  4. Step 4: Simplify right side
    401,263.70x = 91,323,574,298.39
  5. Step 5: Solve for x
    x = 91,323,574,298.39/401,263.70
  6. Step 6: Final answer
    x = 227,589.92

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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.