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Finding the Fourth Proportional to 464,502.58, 640,272.72 and 349,608.46

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Solution

The fourth proportional to 464,502.58, 640,272.72 and 349,608.46 is: 481,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,502.58 : 640,272.72 = 349,608.46 : x
  2. Step 2: Convert to fraction form
    464,502.58/640,272.72 = 349,608.46/x
  3. Step 3: Cross multiply
    464,502.58x = 640,272.72 × 349,608.46
  4. Step 4: Simplify right side
    464,502.58x = 223,844,759,619.21
  5. Step 5: Solve for x
    x = 223,844,759,619.21/464,502.58
  6. Step 6: Final answer
    x = 481,902.08

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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.