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Finding the Fourth Proportional to 554,324.88, 764,968.14 and 299,676

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Solution

The fourth proportional to 554,324.88, 764,968.14 and 299,676 is: 413,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,324.88 : 764,968.14 = 299,676 : x
  2. Step 2: Convert to fraction form
    554,324.88/764,968.14 = 299,676/x
  3. Step 3: Cross multiply
    554,324.88x = 764,968.14 × 299,676
  4. Step 4: Simplify right side
    554,324.88x = 229,242,592,322.64
  5. Step 5: Solve for x
    x = 229,242,592,322.64/554,324.88
  6. Step 6: Final answer
    x = 413,552.77

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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.