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Finding the Fourth Proportional to 230,404.33, 317,694.58 and 187,265.76

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Solution

The fourth proportional to 230,404.33, 317,694.58 and 187,265.76 is: 258,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,404.33 : 317,694.58 = 187,265.76 : x
  2. Step 2: Convert to fraction form
    230,404.33/317,694.58 = 187,265.76/x
  3. Step 3: Cross multiply
    230,404.33x = 317,694.58 × 187,265.76
  4. Step 4: Simplify right side
    230,404.33x = 59,493,316,971.58
  5. Step 5: Solve for x
    x = 59,493,316,971.58/230,404.33
  6. Step 6: Final answer
    x = 258,212.67

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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.