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Finding the Fourth Proportional to 664,160.83, 996,134.32 and 190,738.51

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Solution

The fourth proportional to 664,160.83, 996,134.32 and 190,738.51 is: 286,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,160.83 : 996,134.32 = 190,738.51 : x
  2. Step 2: Convert to fraction form
    664,160.83/996,134.32 = 190,738.51/x
  3. Step 3: Cross multiply
    664,160.83x = 996,134.32 × 190,738.51
  4. Step 4: Simplify right side
    664,160.83x = 190,001,175,956.66
  5. Step 5: Solve for x
    x = 190,001,175,956.66/664,160.83
  6. Step 6: Final answer
    x = 286,077.06

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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.