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Finding the Fourth Proportional to 404,425.26, 558,156.28 and 232,342.89

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Solution

The fourth proportional to 404,425.26, 558,156.28 and 232,342.89 is: 320,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,425.26 : 558,156.28 = 232,342.89 : x
  2. Step 2: Convert to fraction form
    404,425.26/558,156.28 = 232,342.89/x
  3. Step 3: Cross multiply
    404,425.26x = 558,156.28 × 232,342.89
  4. Step 4: Simplify right side
    404,425.26x = 129,683,642,005.14
  5. Step 5: Solve for x
    x = 129,683,642,005.14/404,425.26
  6. Step 6: Final answer
    x = 320,661.58

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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.