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Finding the Fourth Proportional to 400,952.74, 601,518.78 and 134,705.94

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Solution

The fourth proportional to 400,952.74, 601,518.78 and 134,705.94 is: 202,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,952.74 : 601,518.78 = 134,705.94 : x
  2. Step 2: Convert to fraction form
    400,952.74/601,518.78 = 134,705.94/x
  3. Step 3: Cross multiply
    400,952.74x = 601,518.78 × 134,705.94
  4. Step 4: Simplify right side
    400,952.74x = 81,028,152,687.55
  5. Step 5: Solve for x
    x = 81,028,152,687.55/400,952.74
  6. Step 6: Final answer
    x = 202,089.04

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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.