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Finding the Fourth Proportional to 334,532.60, 501,653.10 and 134,786.60

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Solution

The fourth proportional to 334,532.60, 501,653.10 and 134,786.60 is: 202,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,532.60 : 501,653.10 = 134,786.60 : x
  2. Step 2: Convert to fraction form
    334,532.60/501,653.10 = 134,786.60/x
  3. Step 3: Cross multiply
    334,532.60x = 501,653.10 × 134,786.60
  4. Step 4: Simplify right side
    334,532.60x = 67,616,115,728.46
  5. Step 5: Solve for x
    x = 67,616,115,728.46/334,532.60
  6. Step 6: Final answer
    x = 202,121.16

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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.