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Finding the Fourth Proportional to 500,895.84, 691,234.64 and 271,459.68

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Solution

The fourth proportional to 500,895.84, 691,234.64 and 271,459.68 is: 374,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,895.84 : 691,234.64 = 271,459.68 : x
  2. Step 2: Convert to fraction form
    500,895.84/691,234.64 = 271,459.68/x
  3. Step 3: Cross multiply
    500,895.84x = 691,234.64 × 271,459.68
  4. Step 4: Simplify right side
    500,895.84x = 187,642,334,179.32
  5. Step 5: Solve for x
    x = 187,642,334,179.32/500,895.84
  6. Step 6: Final answer
    x = 374,613.48

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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.