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Finding the Fourth Proportional to 539,187.80, 808,876.88 and 184,118.64

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Solution

The fourth proportional to 539,187.80, 808,876.88 and 184,118.64 is: 276,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,187.80 : 808,876.88 = 184,118.64 : x
  2. Step 2: Convert to fraction form
    539,187.80/808,876.88 = 184,118.64/x
  3. Step 3: Cross multiply
    539,187.80x = 808,876.88 × 184,118.64
  4. Step 4: Simplify right side
    539,187.80x = 148,929,311,073.04
  5. Step 5: Solve for x
    x = 148,929,311,073.04/539,187.80
  6. Step 6: Final answer
    x = 276,210.46

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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.