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Finding the Fourth Proportional to 401,366.70, 602,050.06 and 120,883.96

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Solution

The fourth proportional to 401,366.70, 602,050.06 and 120,883.96 is: 181,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,366.70 : 602,050.06 = 120,883.96 : x
  2. Step 2: Convert to fraction form
    401,366.70/602,050.06 = 120,883.96/x
  3. Step 3: Cross multiply
    401,366.70x = 602,050.06 × 120,883.96
  4. Step 4: Simplify right side
    401,366.70x = 72,778,195,371.04
  5. Step 5: Solve for x
    x = 72,778,195,371.04/401,366.70
  6. Step 6: Final answer
    x = 181,325.94

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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.