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Finding the Fourth Proportional to 331,533.16, 497,303.22 and 265,393.73

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Solution

The fourth proportional to 331,533.16, 497,303.22 and 265,393.73 is: 398,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,533.16 : 497,303.22 = 265,393.73 : x
  2. Step 2: Convert to fraction form
    331,533.16/497,303.22 = 265,393.73/x
  3. Step 3: Cross multiply
    331,533.16x = 497,303.22 × 265,393.73
  4. Step 4: Simplify right side
    331,533.16x = 131,981,156,496.81
  5. Step 5: Solve for x
    x = 131,981,156,496.81/331,533.16
  6. Step 6: Final answer
    x = 398,093.38

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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.