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Finding the Fourth Proportional to 476,481.73, 657,852.50 and 295,387.20

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Solution

The fourth proportional to 476,481.73, 657,852.50 and 295,387.20 is: 407,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,481.73 : 657,852.50 = 295,387.20 : x
  2. Step 2: Convert to fraction form
    476,481.73/657,852.50 = 295,387.20/x
  3. Step 3: Cross multiply
    476,481.73x = 657,852.50 × 295,387.20
  4. Step 4: Simplify right side
    476,481.73x = 194,321,207,988
  5. Step 5: Solve for x
    x = 194,321,207,988/476,481.73
  6. Step 6: Final answer
    x = 407,825.10

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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.