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Finding the Fourth Proportional to 334,207.76, 501,186.90 and 134,460.68

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Solution

The fourth proportional to 334,207.76, 501,186.90 and 134,460.68 is: 201,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,207.76 : 501,186.90 = 134,460.68 : x
  2. Step 2: Convert to fraction form
    334,207.76/501,186.90 = 134,460.68/x
  3. Step 3: Cross multiply
    334,207.76x = 501,186.90 × 134,460.68
  4. Step 4: Simplify right side
    334,207.76x = 67,389,931,381.09
  5. Step 5: Solve for x
    x = 67,389,931,381.09/334,207.76
  6. Step 6: Final answer
    x = 201,640.83

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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.