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Finding the Fourth Proportional to 611,670.99, 844,172.13 and 370,086.77

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Solution

The fourth proportional to 611,670.99, 844,172.13 and 370,086.77 is: 510,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,670.99 : 844,172.13 = 370,086.77 : x
  2. Step 2: Convert to fraction form
    611,670.99/844,172.13 = 370,086.77/x
  3. Step 3: Cross multiply
    611,670.99x = 844,172.13 × 370,086.77
  4. Step 4: Simplify right side
    611,670.99x = 312,416,936,915.72
  5. Step 5: Solve for x
    x = 312,416,936,915.72/611,670.99
  6. Step 6: Final answer
    x = 510,759.77

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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.