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Finding the Fourth Proportional to 554,294.91, 764,927.10 and 299,646.03

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Solution

The fourth proportional to 554,294.91, 764,927.10 and 299,646.03 is: 413,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,294.91 : 764,927.10 = 299,646.03 : x
  2. Step 2: Convert to fraction form
    554,294.91/764,927.10 = 299,646.03/x
  3. Step 3: Cross multiply
    554,294.91x = 764,927.10 × 299,646.03
  4. Step 4: Simplify right side
    554,294.91x = 229,207,368,754.41
  5. Step 5: Solve for x
    x = 229,207,368,754.41/554,294.91
  6. Step 6: Final answer
    x = 413,511.59

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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.