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Finding the Fourth Proportional to 355,609.50, 533,414.25 and 92,953.50

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Solution

The fourth proportional to 355,609.50, 533,414.25 and 92,953.50 is: 139,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,609.50 : 533,414.25 = 92,953.50 : x
  2. Step 2: Convert to fraction form
    355,609.50/533,414.25 = 92,953.50/x
  3. Step 3: Cross multiply
    355,609.50x = 533,414.25 × 92,953.50
  4. Step 4: Simplify right side
    355,609.50x = 49,582,721,487.38
  5. Step 5: Solve for x
    x = 49,582,721,487.38/355,609.50
  6. Step 6: Final answer
    x = 139,430.25

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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.