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Finding the Fourth Proportional to 404,551.64, 558,287.16 and 223,272.02

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Solution

The fourth proportional to 404,551.64, 558,287.16 and 223,272.02 is: 308,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,551.64 : 558,287.16 = 223,272.02 : x
  2. Step 2: Convert to fraction form
    404,551.64/558,287.16 = 223,272.02/x
  3. Step 3: Cross multiply
    404,551.64x = 558,287.16 × 223,272.02
  4. Step 4: Simplify right side
    404,551.64x = 124,649,901,953.26
  5. Step 5: Solve for x
    x = 124,649,901,953.26/404,551.64
  6. Step 6: Final answer
    x = 308,118.64

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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.