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Finding the Fourth Proportional to 434,866.06, 652,360.60 and 135,376.86

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Solution

The fourth proportional to 434,866.06, 652,360.60 and 135,376.86 is: 203,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,866.06 : 652,360.60 = 135,376.86 : x
  2. Step 2: Convert to fraction form
    434,866.06/652,360.60 = 135,376.86/x
  3. Step 3: Cross multiply
    434,866.06x = 652,360.60 × 135,376.86
  4. Step 4: Simplify right side
    434,866.06x = 88,314,529,615.72
  5. Step 5: Solve for x
    x = 88,314,529,615.72/434,866.06
  6. Step 6: Final answer
    x = 203,084.44

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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.