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Finding the Fourth Proportional to 475,003.64, 655,342.14 and 270,907.79

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Solution

The fourth proportional to 475,003.64, 655,342.14 and 270,907.79 is: 373,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,003.64 : 655,342.14 = 270,907.79 : x
  2. Step 2: Convert to fraction form
    475,003.64/655,342.14 = 270,907.79/x
  3. Step 3: Cross multiply
    475,003.64x = 655,342.14 × 270,907.79
  4. Step 4: Simplify right side
    475,003.64x = 177,537,292,266.76
  5. Step 5: Solve for x
    x = 177,537,292,266.76/475,003.64
  6. Step 6: Final answer
    x = 373,759.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.