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Finding the Fourth Proportional to 492,762.64, 679,965.60 and 277,936.24

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Solution

The fourth proportional to 492,762.64, 679,965.60 and 277,936.24 is: 383,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,762.64 : 679,965.60 = 277,936.24 : x
  2. Step 2: Convert to fraction form
    492,762.64/679,965.60 = 277,936.24/x
  3. Step 3: Cross multiply
    492,762.64x = 679,965.60 × 277,936.24
  4. Step 4: Simplify right side
    492,762.64x = 188,987,082,193.34
  5. Step 5: Solve for x
    x = 188,987,082,193.34/492,762.64
  6. Step 6: Final answer
    x = 383,525.59

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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.