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Finding the Fourth Proportional to 554,283.23, 764,910.56 and 299,634.89

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Solution

The fourth proportional to 554,283.23, 764,910.56 and 299,634.89 is: 413,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,283.23 : 764,910.56 = 299,634.89 : x
  2. Step 2: Convert to fraction form
    554,283.23/764,910.56 = 299,634.89/x
  3. Step 3: Cross multiply
    554,283.23x = 764,910.56 × 299,634.89
  4. Step 4: Simplify right side
    554,283.23x = 229,193,890,007.26
  5. Step 5: Solve for x
    x = 229,193,890,007.26/554,283.23
  6. Step 6: Final answer
    x = 413,495.98

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1.5x scale

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.