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Finding the Fourth Proportional to 334,206.76, 501,185.40 and 134,459.68

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Solution

The fourth proportional to 334,206.76, 501,185.40 and 134,459.68 is: 201,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,206.76 : 501,185.40 = 134,459.68 : x
  2. Step 2: Convert to fraction form
    334,206.76/501,185.40 = 134,459.68/x
  3. Step 3: Cross multiply
    334,206.76x = 501,185.40 × 134,459.68
  4. Step 4: Simplify right side
    334,206.76x = 67,389,228,504.67
  5. Step 5: Solve for x
    x = 67,389,228,504.67/334,206.76
  6. Step 6: Final answer
    x = 201,639.33

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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.