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Finding the Fourth Proportional to 613,792.08, 919,686.96 and 376,633.80

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Solution

The fourth proportional to 613,792.08, 919,686.96 and 376,633.80 is: 564,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,792.08 : 919,686.96 = 376,633.80 : x
  2. Step 2: Convert to fraction form
    613,792.08/919,686.96 = 376,633.80/x
  3. Step 3: Cross multiply
    613,792.08x = 919,686.96 × 376,633.80
  4. Step 4: Simplify right side
    613,792.08x = 346,385,194,555.25
  5. Step 5: Solve for x
    x = 346,385,194,555.25/613,792.08
  6. Step 6: Final answer
    x = 564,336.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.