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Finding the Fourth Proportional to 601,416.05, 829,639.22 and 371,900.12

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Solution

The fourth proportional to 601,416.05, 829,639.22 and 371,900.12 is: 513,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,416.05 : 829,639.22 = 371,900.12 : x
  2. Step 2: Convert to fraction form
    601,416.05/829,639.22 = 371,900.12/x
  3. Step 3: Cross multiply
    601,416.05x = 829,639.22 × 371,900.12
  4. Step 4: Simplify right side
    601,416.05x = 308,542,919,467.01
  5. Step 5: Solve for x
    x = 308,542,919,467.01/601,416.05
  6. Step 6: Final answer
    x = 513,027.42

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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.