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Finding the Fourth Proportional to 539,109.40, 808,736.10 and 184,034.20

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Solution

The fourth proportional to 539,109.40, 808,736.10 and 184,034.20 is: 276,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,109.40 : 808,736.10 = 184,034.20 : x
  2. Step 2: Convert to fraction form
    539,109.40/808,736.10 = 184,034.20/x
  3. Step 3: Cross multiply
    539,109.40x = 808,736.10 × 184,034.20
  4. Step 4: Simplify right side
    539,109.40x = 148,835,101,174.62
  5. Step 5: Solve for x
    x = 148,835,101,174.62/539,109.40
  6. Step 6: Final answer
    x = 276,075.88

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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.