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Finding the Fourth Proportional to 404,009.44, 557,535.12 and 234,343.84

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Solution

The fourth proportional to 404,009.44, 557,535.12 and 234,343.84 is: 323,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,009.44 : 557,535.12 = 234,343.84 : x
  2. Step 2: Convert to fraction form
    404,009.44/557,535.12 = 234,343.84/x
  3. Step 3: Cross multiply
    404,009.44x = 557,535.12 × 234,343.84
  4. Step 4: Simplify right side
    404,009.44x = 130,654,920,955.66
  5. Step 5: Solve for x
    x = 130,654,920,955.66/404,009.44
  6. Step 6: Final answer
    x = 323,395.71

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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.