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Finding the Fourth Proportional to 404,649.30, 558,372.78 and 232,532.40

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Solution

The fourth proportional to 404,649.30, 558,372.78 and 232,532.40 is: 320,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,649.30 : 558,372.78 = 232,532.40 : x
  2. Step 2: Convert to fraction form
    404,649.30/558,372.78 = 232,532.40/x
  3. Step 3: Cross multiply
    404,649.30x = 558,372.78 × 232,532.40
  4. Step 4: Simplify right side
    404,649.30x = 129,839,762,628.07
  5. Step 5: Solve for x
    x = 129,839,762,628.07/404,649.30
  6. Step 6: Final answer
    x = 320,869.86

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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.