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Finding the Fourth Proportional to 539,369.30, 809,345.55 and 223,858.10

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Solution

The fourth proportional to 539,369.30, 809,345.55 and 223,858.10 is: 335,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,369.30 : 809,345.55 = 223,858.10 : x
  2. Step 2: Convert to fraction form
    539,369.30/809,345.55 = 223,858.10/x
  3. Step 3: Cross multiply
    539,369.30x = 809,345.55 × 223,858.10
  4. Step 4: Simplify right side
    539,369.30x = 181,178,557,066.46
  5. Step 5: Solve for x
    x = 181,178,557,066.46/539,369.30
  6. Step 6: Final answer
    x = 335,908.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.