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Finding the Fourth Proportional to 504,774.14, 696,597.80 and 275,339.63

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Solution

The fourth proportional to 504,774.14, 696,597.80 and 275,339.63 is: 379,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,774.14 : 696,597.80 = 275,339.63 : x
  2. Step 2: Convert to fraction form
    504,774.14/696,597.80 = 275,339.63/x
  3. Step 3: Cross multiply
    504,774.14x = 696,597.80 × 275,339.63
  4. Step 4: Simplify right side
    504,774.14x = 191,800,978,357.95
  5. Step 5: Solve for x
    x = 191,800,978,357.95/504,774.14
  6. Step 6: Final answer
    x = 379,973.86

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1.5x scale

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.