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Finding the Fourth Proportional to 511,445.28, 706,096.88 and 454,699.60

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Solution

The fourth proportional to 511,445.28, 706,096.88 and 454,699.60 is: 627,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,445.28 : 706,096.88 = 454,699.60 : x
  2. Step 2: Convert to fraction form
    511,445.28/706,096.88 = 454,699.60/x
  3. Step 3: Cross multiply
    511,445.28x = 706,096.88 × 454,699.60
  4. Step 4: Simplify right side
    511,445.28x = 321,061,968,897.25
  5. Step 5: Solve for x
    x = 321,061,968,897.25/511,445.28
  6. Step 6: Final answer
    x = 627,754.29

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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.