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Finding the Fourth Proportional to 355,602.96, 533,457.50 and 130,946.12

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Solution

The fourth proportional to 355,602.96, 533,457.50 and 130,946.12 is: 196,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,602.96 : 533,457.50 = 130,946.12 : x
  2. Step 2: Convert to fraction form
    355,602.96/533,457.50 = 130,946.12/x
  3. Step 3: Cross multiply
    355,602.96x = 533,457.50 × 130,946.12
  4. Step 4: Simplify right side
    355,602.96x = 69,854,188,488.35
  5. Step 5: Solve for x
    x = 69,854,188,488.35/355,602.96
  6. Step 6: Final answer
    x = 196,438.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.