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Finding the Fourth Proportional to 312,037.70, 468,056.55 and 233,305.70

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Solution

The fourth proportional to 312,037.70, 468,056.55 and 233,305.70 is: 349,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,037.70 : 468,056.55 = 233,305.70 : x
  2. Step 2: Convert to fraction form
    312,037.70/468,056.55 = 233,305.70/x
  3. Step 3: Cross multiply
    312,037.70x = 468,056.55 × 233,305.70
  4. Step 4: Simplify right side
    312,037.70x = 109,200,261,037.34
  5. Step 5: Solve for x
    x = 109,200,261,037.34/312,037.70
  6. Step 6: Final answer
    x = 349,958.55

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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.