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Finding the Fourth Proportional to 434,170.56, 651,349.44 and 134,645.16

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Solution

The fourth proportional to 434,170.56, 651,349.44 and 134,645.16 is: 201,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,170.56 : 651,349.44 = 134,645.16 : x
  2. Step 2: Convert to fraction form
    434,170.56/651,349.44 = 134,645.16/x
  3. Step 3: Cross multiply
    434,170.56x = 651,349.44 × 134,645.16
  4. Step 4: Simplify right side
    434,170.56x = 87,701,049,564.71
  5. Step 5: Solve for x
    x = 87,701,049,564.71/434,170.56
  6. Step 6: Final answer
    x = 201,996.77

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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.