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Finding the Fourth Proportional to 482,157.93, 665,376.84 and 275,421.85

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Solution

The fourth proportional to 482,157.93, 665,376.84 and 275,421.85 is: 380,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,157.93 : 665,376.84 = 275,421.85 : x
  2. Step 2: Convert to fraction form
    482,157.93/665,376.84 = 275,421.85/x
  3. Step 3: Cross multiply
    482,157.93x = 665,376.84 × 275,421.85
  4. Step 4: Simplify right side
    482,157.93x = 183,259,320,219.95
  5. Step 5: Solve for x
    x = 183,259,320,219.95/482,157.93
  6. Step 6: Final answer
    x = 380,081.52

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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.