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Finding the Fourth Proportional to 358,205.32, 537,308.34 and 133,562.32

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Solution

The fourth proportional to 358,205.32, 537,308.34 and 133,562.32 is: 200,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,205.32 : 537,308.34 = 133,562.32 : x
  2. Step 2: Convert to fraction form
    358,205.32/537,308.34 = 133,562.32/x
  3. Step 3: Cross multiply
    358,205.32x = 537,308.34 × 133,562.32
  4. Step 4: Simplify right side
    358,205.32x = 71,764,148,445.75
  5. Step 5: Solve for x
    x = 71,764,148,445.75/358,205.32
  6. Step 6: Final answer
    x = 200,343.61

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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.