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Finding the Fourth Proportional to 344,841.60, 516,954.60 and 134,430.60

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Solution

The fourth proportional to 344,841.60, 516,954.60 and 134,430.60 is: 201,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,841.60 : 516,954.60 = 134,430.60 : x
  2. Step 2: Convert to fraction form
    344,841.60/516,954.60 = 134,430.60/x
  3. Step 3: Cross multiply
    344,841.60x = 516,954.60 × 134,430.60
  4. Step 4: Simplify right side
    344,841.60x = 69,494,517,050.76
  5. Step 5: Solve for x
    x = 69,494,517,050.76/344,841.60
  6. Step 6: Final answer
    x = 201,525.91

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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.