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Finding the Fourth Proportional to 717,131.80, 1,075,698.42 and 184,654

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Solution

The fourth proportional to 717,131.80, 1,075,698.42 and 184,654 is: 276,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,131.80 : 1,075,698.42 = 184,654 : x
  2. Step 2: Convert to fraction form
    717,131.80/1,075,698.42 = 184,654/x
  3. Step 3: Cross multiply
    717,131.80x = 1,075,698.42 × 184,654
  4. Step 4: Simplify right side
    717,131.80x = 198,632,016,046.68
  5. Step 5: Solve for x
    x = 198,632,016,046.68/717,131.80
  6. Step 6: Final answer
    x = 276,981.19

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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.