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Finding the Fourth Proportional to 331,010.90, 495,532.20 and 331,010.90

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Solution

The fourth proportional to 331,010.90, 495,532.20 and 331,010.90 is: 495,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.90 : 495,532.20 = 331,010.90 : x
  2. Step 2: Convert to fraction form
    331,010.90/495,532.20 = 331,010.90/x
  3. Step 3: Cross multiply
    331,010.90x = 495,532.20 × 331,010.90
  4. Step 4: Simplify right side
    331,010.90x = 164,026,559,500.98
  5. Step 5: Solve for x
    x = 164,026,559,500.98/331,010.90
  6. Step 6: Final answer
    x = 495,532.20

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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.