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Finding the Fourth Proportional to 453,556.92, 680,755.76 and 229,075.00

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Solution

The fourth proportional to 453,556.92, 680,755.76 and 229,075.00 is: 343,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,556.92 : 680,755.76 = 229,075.00 : x
  2. Step 2: Convert to fraction form
    453,556.92/680,755.76 = 229,075.00/x
  3. Step 3: Cross multiply
    453,556.92x = 680,755.76 × 229,075.00
  4. Step 4: Simplify right side
    453,556.92x = 155,944,122,874.74
  5. Step 5: Solve for x
    x = 155,944,122,874.74/453,556.92
  6. Step 6: Final answer
    x = 343,824.81

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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.