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Finding the Fourth Proportional to 539,807.08, 809,168.73 and 184,578.16

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Solution

The fourth proportional to 539,807.08, 809,168.73 and 184,578.16 is: 276,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,807.08 : 809,168.73 = 184,578.16 : x
  2. Step 2: Convert to fraction form
    539,807.08/809,168.73 = 184,578.16/x
  3. Step 3: Cross multiply
    539,807.08x = 809,168.73 × 184,578.16
  4. Step 4: Simplify right side
    539,807.08x = 149,354,875,312.94
  5. Step 5: Solve for x
    x = 149,354,875,312.94/539,807.08
  6. Step 6: Final answer
    x = 276,681.95

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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.