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Finding the Fourth Proportional to 351,592.14, 484,878.20 and 230,687.48

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Solution

The fourth proportional to 351,592.14, 484,878.20 and 230,687.48 is: 318,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,592.14 : 484,878.20 = 230,687.48 : x
  2. Step 2: Convert to fraction form
    351,592.14/484,878.20 = 230,687.48/x
  3. Step 3: Cross multiply
    351,592.14x = 484,878.20 × 230,687.48
  4. Step 4: Simplify right side
    351,592.14x = 111,855,330,064.94
  5. Step 5: Solve for x
    x = 111,855,330,064.94/351,592.14
  6. Step 6: Final answer
    x = 318,139.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.