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Finding the Fourth Proportional to 504,555.93, 696,278.25 and 275,115

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Solution

The fourth proportional to 504,555.93, 696,278.25 and 275,115 is: 379,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,555.93 : 696,278.25 = 275,115 : x
  2. Step 2: Convert to fraction form
    504,555.93/696,278.25 = 275,115/x
  3. Step 3: Cross multiply
    504,555.93x = 696,278.25 × 275,115
  4. Step 4: Simplify right side
    504,555.93x = 191,556,590,748.75
  5. Step 5: Solve for x
    x = 191,556,590,748.75/504,555.93
  6. Step 6: Final answer
    x = 379,653.83

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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.