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Finding the Fourth Proportional to 331,448.80, 497,173.20 and 331,448.80

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Solution

The fourth proportional to 331,448.80, 497,173.20 and 331,448.80 is: 497,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448.80 : 497,173.20 = 331,448.80 : x
  2. Step 2: Convert to fraction form
    331,448.80/497,173.20 = 331,448.80/x
  3. Step 3: Cross multiply
    331,448.80x = 497,173.20 × 331,448.80
  4. Step 4: Simplify right side
    331,448.80x = 164,787,460,532.16
  5. Step 5: Solve for x
    x = 164,787,460,532.16/331,448.80
  6. Step 6: Final answer
    x = 497,173.20

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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.