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Finding the Fourth Proportional to 355,513.70, 533,343.45 and 119,026.10

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Solution

The fourth proportional to 355,513.70, 533,343.45 and 119,026.10 is: 178,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,513.70 : 533,343.45 = 119,026.10 : x
  2. Step 2: Convert to fraction form
    355,513.70/533,343.45 = 119,026.10/x
  3. Step 3: Cross multiply
    355,513.70x = 533,343.45 × 119,026.10
  4. Step 4: Simplify right side
    355,513.70x = 63,481,790,814.05
  5. Step 5: Solve for x
    x = 63,481,790,814.05/355,513.70
  6. Step 6: Final answer
    x = 178,563.56

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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.