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Finding the Fourth Proportional to 554,213.48, 764,814.17 and 299,564.66

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Solution

The fourth proportional to 554,213.48, 764,814.17 and 299,564.66 is: 413,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,213.48 : 764,814.17 = 299,564.66 : x
  2. Step 2: Convert to fraction form
    554,213.48/764,814.17 = 299,564.66/x
  3. Step 3: Cross multiply
    554,213.48x = 764,814.17 × 299,564.66
  4. Step 4: Simplify right side
    554,213.48x = 229,111,295,301.41
  5. Step 5: Solve for x
    x = 229,111,295,301.41/554,213.48
  6. Step 6: Final answer
    x = 413,399.00

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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.