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Finding the Fourth Proportional to 309,037.96, 426,525.78 and 174,901.96

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Solution

The fourth proportional to 309,037.96, 426,525.78 and 174,901.96 is: 241,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,037.96 : 426,525.78 = 174,901.96 : x
  2. Step 2: Convert to fraction form
    309,037.96/426,525.78 = 174,901.96/x
  3. Step 3: Cross multiply
    309,037.96x = 426,525.78 × 174,901.96
  4. Step 4: Simplify right side
    309,037.96x = 74,600,194,912.53
  5. Step 5: Solve for x
    x = 74,600,194,912.53/309,037.96
  6. Step 6: Final answer
    x = 241,394.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.