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Finding the Fourth Proportional to 358,438.02, 537,750.72 and 133,800.39

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Solution

The fourth proportional to 358,438.02, 537,750.72 and 133,800.39 is: 200,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,438.02 : 537,750.72 = 133,800.39 : x
  2. Step 2: Convert to fraction form
    358,438.02/537,750.72 = 133,800.39/x
  3. Step 3: Cross multiply
    358,438.02x = 537,750.72 × 133,800.39
  4. Step 4: Simplify right side
    358,438.02x = 71,951,256,058.78
  5. Step 5: Solve for x
    x = 71,951,256,058.78/358,438.02
  6. Step 6: Final answer
    x = 200,735.56

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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.