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Finding the Fourth Proportional to 344,007.60, 514,974.60 and 306,682.80

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Solution

The fourth proportional to 344,007.60, 514,974.60 and 306,682.80 is: 459,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,007.60 : 514,974.60 = 306,682.80 : x
  2. Step 2: Convert to fraction form
    344,007.60/514,974.60 = 306,682.80/x
  3. Step 3: Cross multiply
    344,007.60x = 514,974.60 × 306,682.80
  4. Step 4: Simplify right side
    344,007.60x = 157,933,852,256.88
  5. Step 5: Solve for x
    x = 157,933,852,256.88/344,007.60
  6. Step 6: Final answer
    x = 459,099.89

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1.5x scale

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.