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Finding the Fourth Proportional to 504,437.43, 696,119.08 and 278,082.93

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Solution

The fourth proportional to 504,437.43, 696,119.08 and 278,082.93 is: 383,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,437.43 : 696,119.08 = 278,082.93 : x
  2. Step 2: Convert to fraction form
    504,437.43/696,119.08 = 278,082.93/x
  3. Step 3: Cross multiply
    504,437.43x = 696,119.08 × 278,082.93
  4. Step 4: Simplify right side
    504,437.43x = 193,578,833,395.30
  5. Step 5: Solve for x
    x = 193,578,833,395.30/504,437.43
  6. Step 6: Final answer
    x = 383,751.92

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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.