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Finding the Fourth Proportional to 554,238.82, 764,849.80 and 299,590.01

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Solution

The fourth proportional to 554,238.82, 764,849.80 and 299,590.01 is: 413,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,238.82 : 764,849.80 = 299,590.01 : x
  2. Step 2: Convert to fraction form
    554,238.82/764,849.80 = 299,590.01/x
  3. Step 3: Cross multiply
    554,238.82x = 764,849.80 × 299,590.01
  4. Step 4: Simplify right side
    554,238.82x = 229,141,359,230.50
  5. Step 5: Solve for x
    x = 229,141,359,230.50/554,238.82
  6. Step 6: Final answer
    x = 413,434.34

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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.