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Finding the Fourth Proportional to 506,011.82, 759,142.30 and 356,544

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Solution

The fourth proportional to 506,011.82, 759,142.30 and 356,544 is: 534,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,011.82 : 759,142.30 = 356,544 : x
  2. Step 2: Convert to fraction form
    506,011.82/759,142.30 = 356,544/x
  3. Step 3: Cross multiply
    506,011.82x = 759,142.30 × 356,544
  4. Step 4: Simplify right side
    506,011.82x = 270,667,632,211.20
  5. Step 5: Solve for x
    x = 270,667,632,211.20/506,011.82
  6. Step 6: Final answer
    x = 534,903.77

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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.