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Finding the Fourth Proportional to 312,373.32, 468,462.96 and 112,667.73

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Solution

The fourth proportional to 312,373.32, 468,462.96 and 112,667.73 is: 168,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,373.32 : 468,462.96 = 112,667.73 : x
  2. Step 2: Convert to fraction form
    312,373.32/468,462.96 = 112,667.73/x
  3. Step 3: Cross multiply
    312,373.32x = 468,462.96 × 112,667.73
  4. Step 4: Simplify right side
    312,373.32x = 52,780,658,292.28
  5. Step 5: Solve for x
    x = 52,780,658,292.28/312,373.32
  6. Step 6: Final answer
    x = 168,966.60

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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.